Product review (4 stars): Good, Solid Performance Commensurate w/ Price & Size
--Edgestar Portable Countertop Dishwasher--

Pros:

The performance of this dishwasher is excellent given its portability and price.  Unlike what other reviewers have posted, it does indeed have the ability to dry dishes by heat on its most powerful cleaning setting (which runs about an hour and a half).  It doesn't just utilize hot water from the sink--the dishwasher adds its own more powerful heat.  I use this dishwasher in my studio apartment, and the end result of dishwashing is generally that dishes turn out as clean as they would in an installed dishwasher of medium performance.  The sink hookup--which is sturdy enough for me to feel confident about leaving my apartment with the washer running--has been made convenient and generally easy to use--for a sink hookup, at least.

Cons:

-it's fairly loud when operating;
-the design of the inside rack, I think, is poor--it's not hard for utensils and smaller dishes to protrude through the bottom of the rack and block the rotating sprayer below.  It's important that you take the time to carefully place your dishes not only for fit inside a small dishwashers, but also to ensure against this kind of blocking;
-it's imperative that you use a rinse aid, as the dishwasher with detergent alone doesn't seem to be effective in preventing spots on clean dishes;
-it's difficult to determine when the dishes are actually finished--the machine will indicate this by beeping, but in the interim there are several long pauses and a blinking indicator which can be confusing in asking yourself, "is it done?  Can I disconnect it from the sink now?"
-my own model was sent with a slightly crooked lower panel, which wears badly on my "OCD" in wanting the thing to look straight and together.

Bottom Line:

For the price you pay for this dishwasher ($280 with shipping factored in), the apartment-friendly size and portability of the thing, and for the technology--which is surprisingly high tech--I think it's a very solid and good-performing piece of equipment.  Dishes come out as clean and sanitized as they would from a decent installed dishwasher.  To make sure this happens, though, you must take extra care loading the dishwasher and make certain the bottom sprayer isn't blocked--which can happen fairly easily with a poorly-designed rack.  For dishes as clean as they'd be from an installed washer, you must use a rinse-aid and the most powerful cleaning setting.  The technology isn't there yet for this be five stars, but the Edgestar represents a pretty solid shot at getting there.