I´ld definitely recommend a Wacom Intuos model. Sure, it´s slightly more expensive, but you´ll also have a top quality tablet that will last a very long time.
Just make sure you buy a size that suits you. I have an Intuos3 A4, and even though i´ve gotten used to it now, there are occasions it feels way to big.  An A5 would most likely be a really good size.  

Rudolf Herczog
Digital Artist
www.rochr.com