I got an iPad for Christmas so this thread has been very helpful! I also have some iTunes to burn but I will save those for music. Most of the great apps you mentioned are free! Please don't let this thread die - it is so helpful, especially for someone who finally has an app capable Apple product!
A lot of the EA games, including Monopoly, were on sale for a while at .99. The sale's probably over now, unfortunately. There's a site (well, probably many, but I know of this one) called appshopper.com which will "watch" various apps for you and tell you when their prices change, which will alert you to sales on apps you really want.