EXPIRED - i-Mate SP3 Windows smartphone (SIM-free) - £99.21 delivered

This is HTC Typhoon, aka Orange SPV-500, aka Qtek 8010, aka T-Mobile SDA.

Main features:
Windows Mobile 2003
Mini-SD slot
Bluetooth
Tri-band
USB-sync
Web browsing (GPRS/GSM)
Outlook synchronization

I personally have such a phone and it is quite good (apart from some quirks and limitation - alarm being the most annoying one).

Anyway, I think it is quite a good price for such a small and powerful handset.