[T-Mobile Samsung Galaxy S II SGH-T989] bhowanidin:
Here I am going to compile the links for the various cases that have come out for our phone so far. Some of the other links will be listed as coming soon if the sites advertise it. Hope you find this helpful.

D30

Galaxy S II D3O® Flex Protection Cover - Black

·Smooth, flexible gel-like material protects your phone

·Made with military grade D3O® intelligent technology

·D3O® molecules lock together to absorb shock

http://www.t-mobile.com/shop/AddOns/Accessories/AccessoryDetailPopUp.aspx?accessory=5107c2ec-a5f3-415d-b2d0-0254711cf682&inCart=True&catCode=21

Galaxy S II D3O® Dual Impact Case - Black

·One piece glossy black shell with a flexible black inner layer

·Made with military grade D3O® intelligent technology

·D3O® molecules lock together to absorb shock

http://www.t-mobile.com/shop/AddOns/Accessories/AccessoryDetailPopUp.aspx?accessory=be783423-6455-4083-aaf0-be9d9ec37094&inCart=True&catCode=21

Body Glove

Galaxy S II Body Glove Diamond Shell - White

·Hard glossy shell fused with a soft, rubbery band

·Flexible band provides a unique look and easy on/off

·Soft rubbery interior lining for added protection

http://www.t-mobile.com/shop/AddOns/Accessories/AccessoryDetailPopUp.aspx?accessory=7efb7ab9-df37-49c0-bf46-997e82ded448&inCart=True&catCode=21

Galaxy S II Body Glove Revel Shell

·Two piece hard shell with protective textured material

·Detachable rotating clip coverts into a kickstand

·Allows access to all ports and controls

http://www.t-mobile.com/shop/AddOns/Accessories/AccessoryDetailPopUp.aspx?accessory=4d217c7f-401a-45f8-93ee-8f96ecc6571a&inCart=True&catCode=21

Galaxy S II Body Glove Silver Fade Shell

·Gray paint with silver stripe design

·Built-in kickstand sits flush when not in use

·Allows access to all ports and controls

http://www.t-mobile.com/shop/AddOns/Accessories/AccessoryDetailPopUp.aspx?accessory=fb03b015-e3f0-49db-a9f1-3e2d51843af7&inCart=True&catCode=21

Trident

Not yet available, but will be at http://www.tridenteer.com/ before the end of the year.

Seidio

ACTIVE™ case

- Overall thickness of only 2.2 mm

- Interior casing made from impact absorbing polymer and exterior skeleton provides extra protection at impact points

- Easy to put in and pull out of your pocket or purse and grooves for easy gripping

- Compatible with ACTIVE™ holster

ACTIVE Holster™

- Felt-lined holster with face-in design keeps your T-Mobile Samsung Galaxy S II safe

- Unique spring clip lifts for quick access and easy removal

- Adjustable swivel belt clip with 7 rotating angles

- For use with ACTIVE™ case only

Coming soon @ http://www.seidioonline.com/category-s/7239.htm

Incipio

Incipio Feather Case

The feather® for T-Mobile Samsung Galaxy S™ II protects the back and sides of your device while maintaining full access to all touchscreen controls. Custom cutouts to all ports and buttons allow you to charge your device or adjust volume without having to remove your case.

http://www.myincipio.com/Samsung-Galaxy-S-II-T-Mobile-Cases-Accessories/Incipio-Samsung-Galaxy-S-II-T-Mobile-feather-Ultralight-Hard-Shell-Case.asp

Incipio Silicrylic Case

- The SILICRYLIC® for T-Mobile Samsung Galaxy S™ II safeguards your device while allowing complete access to ports and functions with custom cutouts and raised covered buttons.

- Hybrid design combines hard shell polycarbonate and shock absorbing silicones

http://www.myincipio.com/Samsung-Galaxy-S-II-T-Mobile-Cases-Accessories/Incipio-Samsung-Galaxy-S-II-T-Mobile-SILICRYLIC-Hard-Shell-Case-with-Silicone-Core.asp

Ballistic

Ballistic Shell Gel

-Advanced three layers of protection

-Layer 1 - Ballistic shock absorbent polymer

-Layer 2 - Tough impact resistant polycarbonate shell

-Layer 3 - Soft silicon, equipped with Ballistic Corners™

-Includes lay on table feature

-Pocket-able protection

http://www.ebay.com/itm/BALLISTIC-SG-CASE-GALAXY-S2-SX-ll-4G-T989-TMOBILE-TELUS-COMPARE-2-OTTERBOX-/160675376613?pt=LH_DefaultDomain_0&hash=item2568ffade5

Diztronic (formerly TPU-Cases

Diztronic Cases

-Made of Durable, Slip-Resistant TPU Material

-Matte Back Prevents Fingerprints - High Gloss TPU Frames the Screen

-Solid Protection from Drops and Scratches Protects Your Investment

-Excellent Impact & Abrasion Resistance

-Stronger, Tougher Case Solution than Silicone

-Precise Cutouts Gives Full Access to all Ports, Camera, Power Button & Volume Rocker

http://tpu-cases.com/index.php?main_page=index&cPath=42_39

Mofi

Mofi Pouches (YES Pouches!)

"CLASSIC Series" High End GENUINE MOFI Pouch

Plush and Soft feel - Inner and Outer finish

A superior Protector and quality look

Automatically cleans your phone

Padded design offers shock protection

VERY SOFT-Highest Quality Velour Micro Fibre

http://www.ebay.co.uk/itm/ws/eBayISAPI.dll?ViewItem&rd=1&item=150689038997

PowerSKIN

Case with Rechargeable Battery

-One piece silicone case with rechargeable built-in battery

-LED battery status lights and on/off button

-Charging cable included

http://www.t-mobile.com/shop/AddOns/Accessories/AccessoryDetailPopUp.aspx?accessory=763b541c-ac26-42d7-b856-52b22b47251a&inCart=True&catCode=22

Beyond

Beyond Case & Holster Combo

- 1 elegant snap-on protex case

- 1 Supreme Holster (Kickstand function & Made from Supreme Quality Material)

- 1 Screen Protector included.

http://www.amazon.com/Holster-Samsung-Galaxy-T-Mobile-T989/dp/B005TWBLEI/ref=sr_1_15?ie=UTF8&qid=1321399605&sr=8-15

Cimo

Cimo S-Line & TPU Cases

-Designed for easy access to all of the features of your Samsung device.

-Anti-slip properties gives your Samsung Galaxy S ll,Hercules more grip on surfaces

-Easy to slip on your device, yet stays on securely

-Front raised edges recess your screen to protect it when placed face down

-Custom Fit to T-Mobile Samsung Galaxy S ll, Hercules

http://www.cimousa.com/Galaxy-S-II-T-Mobile-Samsung/b/3229480011?ie=UTF8&title=Galaxy%20S%20II%20-%20T%20Mobile

If anyone has any suggestions or cases that I have missed, feel free to add them with corresponding links.