it's funny, i always wondered about android, and eventually installed nitdroid. it works perfectly and i get the full android experience (marketplace etc), but it took about 3 days for the novelty to wear off. it felt like someone had taken away my lego bricks and replaced them with premade sculptures that were vaguely like something i wanted, but not quite. i now find it soul destroying going into nitdroid and looking at the 'top 50 apps' in the marketplace.