O2 XDA Denim

Specifications, per the FCC manual, follow..
 * Processor: Intel PXA270 @ 520MHz
 * Memory: 256 MB ROM, 64 MB RAM
 * Dimensions: Dimensions::115 mm x 55.8 mm x 18.2 mm
 * Weight: Weight::150g
 * Battery: Li-Poly, 1,300mAh (150 hr standby time, 4.5 hr talk time, 2 hr charging time)
 * Screen: 2.6" LTPS, 65K-color TFT LCD w/ touch panel - 320 x 240 QVGA
 * Supported bands: HSDPA, WCDMA 2100MHz, GSM 900/1800/1900
 * CMOS back (2.0MP) and front (0.3MP) facing cameras
 * Bluetooth 2.0, 802.11b/g, USB 1.1

On PhoneArena.com

O2 XDA Denim unzipped on web on The Register (FCC docs rehashed)