I am on Nsc from my desire (not hd) as I type and it is fantastic.
Get a desire? or wait for the new Iphone?
Got the desire hd. Brilliant phone. Does have a tendency to turn itself off every now and then... apparently the battery comes loose. Doesn't fit perfectly. If you can overcome this snag, its a great phone though!
I have a Desire as well. Great phone apart from the battery life.
this has never happened to me either although its only been 2 days! Whatever your choice iPhone or HTC it means Nokia need to seriously raise there gameI've had mine since November and this has NEVER happened.
Go into settings and tweak around with stuff. You can adjust the screen brightness and turn stuff off to squeeze some extra life out of the battery.
Also, get an 'eco' charger that turns itself off when the phone is charged. This will help.