I'm shopping for an unlocked HTC Desire. One retailer says the phone's memory goes up to 16gb, the other says 32gb. Are there two versions of this phone? HTC Desire Quad-band GSM Cell Phone - Unlocked in Cell Phones at JR.com HTC Desire Android A8181 Smartphone Unlocked Import at MobileCityOnline.com This is a big purchase for me and I want to get it right. Any info/advice would be much appreciated. Thanks.