First of all the ONLY tablets running Android id recommend are the xoom, or the Asus transformer.
Ive owned an Asus transformer for about 6 months and now own an iPad 2. So I have experience using them on a daily basis.
Heres my points:
1)the transformer wins on expandable memory and acts like an SD card so can play any file. iOS requires very specific file formats and converting them is..annoying.
of course their are ways to stream content to your devices but takes some looking into
2)Keyboard dock is a must, not only does it sustain its own charge and attaches or detaches instantly but it also charges your device. The transformer has FANTASTIC battery life. Especially with the dock, once dying snap on the dock and charges it quickly. The problem with many android devices is battery life, not here.
3) design and weight: On par with the iPad 2. And at a cheaper price now with the dock. the back of the device feels strong and build quality is what you expect from Asus.
4) The camera is about the same as iPad 2, they both suck
5)Applications, widgets and ice cream sandwich: I love the ability to use widgets on a tablet, like music controls or news or anything you can think of. I use my tablet for entertainment and browsing, and multitasking is TRUE and easy on the transformer. The iPad 2 requires gestures and can be somewhat clunky and hard to go 2 or more applications back.
The ecosystem on the iPad 2 is what kills me for the Transformer. There is just so much more apps on the iPad 2, android is "Attempting" to catch up, but it doesn't have nearly the developer adoption the iPad 2 has. the iPad may be "bland, the same as the phone, blah blah" but it the whole point of a tablet or device is to enjoy it!
The android market has much to offer but it leaves you wanting more in the games department and overall app department. although many major apps are there, Personally gaming and applications are much better on iPad 2
5) The transformer is so much easier to use. File transfers, expandable memory, looks, keyboard functionality. I found myself getting annoyed with my laptop because it didn't have a touchscreen after typing, sounds dumb to us on laptops and desktops but trust me once you play with the Transformer its hard to go back.
so the choice is yours. iPad is considerably more expensive for so much less memory. trust me you fill up 16 gb really quick, and cloud services are not easy to use on the move. you'd have to fork up so much money just to get 32gb when you can get 64 on the transformer for considerably less.
I love the iPad,and I love the Transformer with the dock. Its so fun to use. not as simple to use a cover to prop up the iPad as a standalone keyboard dock is.
What else would you like to know that I didn't touch on?