Thorin,
I was a die hard Nokia fan, had the N95 and N95 8gb loved them both, I then bought an N96 and absolutely hated it, it was very buggy and the updates did not help much.
I moved to Android and currently have the HTC Magic, I can honestly say that the UI is amazing, the only thing it lacks is Multi-Touch which it is capable of doing but due to an Apple patent Google decided to drop the Multi-Touch Feature.
2.0 is said to bring Multi-Touch and a host of other features, also consider Sony Ericsson Xperia X3 (1ghz, 8mp Camera, Androis OS 2.0)
The Android OS is still in it's infancy but is capable of doing anything the iPhone can do and then some