Two big shots with initials, HP and AT&T just announced the iPaq Glisten. It’s a GSM Windows Mobile 6.5 Smartphone with an AMOLED display. The Glisten features a unified inbox and comes pre-loaded with the Facebook app for Windows Mobile.

It will cost $299 with a two year contract. Specs include: GSM 3G world phone, 2.5″ AMOLED Display, Windows Mobile 6.5, 3.1 Megapixel Camera, GPS, turn-by-turn navigation and Mobile office.