get a macbook air or pro
I have an iPad 2 and think it's awesome, but there are limitations. Just like another poster stated, it's not as capable as an actual computer and you will run into things that you can't do and have to wait. I recently got a MBP and have used my iPad less and less for other things. Plus, with Game center coming to the Mac in Mountain Lion, I would pick up a laptop.
Look on the Apple website and order a refurbished macbook air or pro. There is one on there right now that is the same price as the high-end iPad and it's more functional and versatile.
And with the refurb, you get a great quality product with a warranty from Apple and I think you can still purchase AppleCare for it. It might be an earlier generation product, but it will also be more advanced and powerful than the iPad. Good luck and have fun.
By the way, what exactly caused your laptop to die?
----------
And due to the fact that you only plan on using it for browsing and email, the energy use would be comparable and you'll have a bigger screen, twice the RAM, twice the storage space and the need for fewer accessories(smart cover, dock, camera connection kit). Ok, I'm done now.