I have an iPhone 4 and am equally smitten.
Both are brilliant phones, do you want Android with the extensibility/hacker-ness or iPhone with the polished UX/App store?
(the antennae issue isn't a problem for me on iPhone 4)
NexusOne, Evo 4g, Droid & Desire are the top 4 android phones fyi.
I have an iPhone 4 and am equally smitten.
Both are brilliant phones, do you want Android with the extensibility/hacker-ness or iPhone with the polished UX/App store?
(the antennae issue isn't a problem for me on iPhone 4)