These things are neat, and good to build wrist strength. Can help offset Capral Tunnel Syndrome if you work a repetitive job.
http://us.ncix.com/products/?sku=51149&promoid=1146
Why should I buy the iPad 3 over the iPad 2? I mostly use my iPad 1 for reading content fromt the web, reading magazines, and watching the occasional movie. I don't see any use out of a super-high resolution screen.
Sam Reynolds from Hardware Canucks seemed to like the Galaxy Note. Based on that hype I would pick one up.
http://www./news/hands-on-with-the-samsung-galaxy-note/
I'm hesitant to buy anything from Asus. Most likely the pen input would be inaccurate and laggy.