2A USB 5V AC Charger (2000mA US Plug)

Pros: I have tried it with a 110V US outlet and it works just fine. It charges my PDA, PSP, cell phone and MP3 player.

Cons: None.

Other: Buy it to charge your USB-powered devices if you're not concerned about output current.

Pros: Works on my iPods (Nano2 and Video). Works on my Blackberry (8830) which is very demanding power-wise. Pretty decent price.

Cons: The plastic housing is a tad bulkier than it has to be. The 'flange' at the front does nothing, and just adds to the size.
The power indicating LED is very dim, and sits deep inside the housing, so it's tough to see unless it's pointed right at you.

Other: Does the job it's supposed to do, and for a fair price.

Pros: more juice, not sure about the 2A current, but definetely much more than sku.4823.
I was able to charge my psp 2000 with this one and not with the sku.4823

Cons: Build quality is not the best, case disasembled by itself after 10 minutes of use. I just had to glue it back... however that is not cool.
Led indicator is quite dim.

Other: If you need a lot of juice (like in psp 2000) go with this one.
If your current requirement are not that high, better go with the cheaper and more featured sku.4823

Pros: USB fits well. Led indicator is not protruding (and is not distracting when the lights are off). Best of all, hasn't blown yet on me (I am not that optimistic after reading some reviews for other adapters here that blows up after a while)

Cons: Packaging makes it looks like a USB cable is included - then again, for the price - that would be asking too much. It might bother some people that the shape is a bit strange and bulky - No idea what part in it requires it to be so.

Other: I don't think that there is a drawback for a higher amperage rating - it is if the equipment is trying to draw more than what the adapter can supply that causes it to heat up. So again, as per the summary - as long as it is 2a