[Galaxy Note II Accessories] robbiekhan:
Okay all the cases are now here, I have 4 to compare in total, the Nilkin I got a while back which is now busted from the fall but still useful to compare.

Anyway, here we go. The dimensions listed below are in relation to the gauge I'm using, it's not been calibrated so is slightly out so I've measured the Note II, please use that instead of the official dimensions - If that makes sense.

I received the Tech21 and Flexishield from Gearzap.

Pics

Nillkin - Flexishield Clear - Samsung Protection+ - Tech21 Impact Snap

Nilkin

Flexishield Clear

Samsung Protection+

Tech21 Impact Snap

Dimensions

Note II, no case:

W 80.26mm

H 149.7mm

D 9.9mm

Nillkin:

W 82.73mm

H 150.95mm

D 11.39mm

Flexishield:

W 83.76mm

H 153.33mm

D 12.05mm

Samsung Protection+:

W 83.75mm

H 154.38mm

D 11.45mm

Tech21:

W 84.63mm

H 151.4mm

D 12.21mm

Thoughts

Nillkin (Under £10):

Looks and feels the best of the lot and is also the thinnest. Ultimately it offers the least protection as I have found just this very week and the half mm chip from my bezel/screen edge will forever remind me of this. As careful as I am with our things things, accidents do indeed happen sadly. The Nillkin has excellent grip.

All of the buttons are very easy to press, no obstructions or issues.

Flexishield (£9.99):

This one is quite flexible and offers some impact protection around all edges. It looks the cheapest though and feels like an eBay case. It does the job but won't make a phone like the Note II, something that otherwise looks very professional, any favours for style. Not as grippy as the Nilkin but still easy to hold and not worry about slipping.

The power and volume buttons on this case don't give enough feedback. It's hard to tell if you've pressed a button or not through it.

Samsung Protection+ (£14.99):

This looks quite good and doesn't make the Note 2 ugly. It feels good as well and has a slightly bigger screen lip for protection. The back is all glossy and because of that I found fingerprints and smudges plastered all over it even with the lightest touch. It will also get that cobweb look over time as it's hard plastic. I feel it offers better all round protection than the Flexishield but it is a bit thicker than the Nilkin.

Grip levels aren't as good as the Flexishield on this sadly because the surround is soft flexible plastic but not matte enough to have decent enough grip. The glossy back helps here though as it's not slippery and your palm sticks to it in a way during use.

All buttons have excellent feedback using this, I was able to press buttons to change track through my front jacket pocket on the way home from work without fail. Samsung have put more effort into this case unlike the Flexishield and others like it.

Tech21 (£14.99):

This looks good and feels good but offers no grip, the whole case is course matte plastic except for the absorption pads on the inside. I've seen youtube videos of how this material reacts to impacts with impressive results.

The Tech21 is a bit thicker than the Nilkin but protects the side bezel only like the Nillkin and equally like it, there are no issues pressing any buttons. This case sits tighter around the phone as well and combined with those pads should hopefully mean it doesn't ping off in the event of an accident.

For some reason I prefer this case over the Nilkin now. Even though it's less grippy I like the way it feels and those absorption pads may become useful.