Htc want to introduce the Diamond-3 mobile phone known as Obsession. The Diamond 3 does have a Windows mobile 7 OS with an 3.7 inch capacitive AMOLED display the same display like the Nexus One produced by Samsung mobile Display.

Technical details Diamond-3:
CPU: Qualcomm QSD8250; 1GHz
GSM HSDPA
Device Size: 112 x 56 x 11.7 mm
Memory (RAM/ROM): 512MB/512MB

The Samsung Impression is now available at AT&T, the Samsung Impression does hav a 3.2 inch Amoled Display with an WQVGA resolution.

Technical features of the Samsung impression:
3.2" WQVGA AMOLED touchscreen
Slide-out QWERTY and messaging shortcut button
3 MP camera with geotagging
Telenav GPS Navigator
Full HTML browser
TouchWiz user interface
Quadband EDGE/GSM
Dual band HSDPA (1900 and 850)
Bluetooth, MP3 player