Via UberGizmo

It has been reported that Cingular sent a full color catalog in which the Siemens X66 (also refered to as SX66) was featured.

Neither the launch date nor the price was given, but the presence of the device in the catalog can only mean that it is coming soon.

Mobile tracker also notes that those phones were also in the catalog:
Sony Ericsson Z500, Sony Ericsson S710, Motorola A630.

Specs
- Windows Mobile OS
- 240 x 320 pixel TFT with 65K colors
- Mini slide out keyboard
- MMC/SD cardslot
- Candy bar model
- EGSM tri-band (900/1800/1900)
- GPRS Class B, multislot class 10 (4+1, 3+2)
- Voice Dialing, Voice Memo, SMS, EMS 4.0 and MMS with T9
- i-mode mail available as webmail
- Li-Ion 700 mAh battery, 100 - 360 minutes talktime and 60 - 300 hours standby
- Memory for > 500 names, phone numbers and addresses
- Modem for CSD and GPRS
- Picture CLI (Calling Line Identity)
- No SSL security
- IrDA infrared and Bluetooth connectivity
- MMS
- MIDP 1.0 JAVA Client with vendor specific extensions

[via mobile tracker]