I havent tried thier tablets, but everything I have ever gotten from monoprice has not only been an amazing price, but also amazing quality. I would suggest at least trying out one of these, and if you dont like it, all them back, and you can return it, no questions asked, no restocking fees, and they pay the shipping back.
http://www.monoprice.com/products/subdepartment.asp?c_id=108&cp_id=10841&cs_id=1084101edit
Note
Think of price and quality as a scale of 1-10. 1:1 would be quality equal to the price. 5:1 would be price much more expensive than the quality, and 1:5 vice versa.
As a general rule, cords are a 1:9, and other products on their site are a 4:7. You dont get high end products, but the price you would pay for a budget one, you get a much better deal. This is an endorsement of the site, which i remembered having graphic tablets, as mentioned before, Ive never bought their graphical tablets, nor do I know anything about them, btu the site, as a rule, sells good prducts.