To be fair I've not noticed this. I'd just like to see more EDGE.
I hate to say this but I think I'd be tempted by a 3G iPhone, even if battery was worse.
Yea, UMTS minimum is the way to go. It was pretty obvious that Apple opted for EDGE due to the US market (Blackberry devices are mostly EDGE). Apparently Tmobile USA was the first 3G operator launched like 2 years ago! And Apple clearly wants to launch the Iphone with the carrier with the largest subscriber base.. greedy Steve Jobs!
Well, assuming if rumours are true that Apple will launch a UMTS Iphone during Spring:
http://www.theregister.co.uk/2007/11/19/3g_iphone/
Then I guess it's no harm to those without an o2 contract, i.e. hacked Iphones to move on to the 3G Iphones with ease