If you don't have a tablet yet, you might want to look more into the Kindle Fire HD.
Kindle Fire HD 7", Dolby Audio, Dual-Band Wi-Fi, 16 GB
Amazon has announced it on their website today. The 8.9" 4G is selling for $499 with a Wi-Fi only model at $299. The Kindle Fire HD has a 7" screen going for $199.