This is definitely one of the cheapest Windows Phone 7 deals we’ve seen to date. You can grab a SIM free, unlocked LG Optimus 7 from Handtec for £179.99.
The LG Optimus 7 has a 3.8in display, Qualcomm Snapdragon QSD8650 1GHz processor, and 5MP camera.
Next day delivery by courier brings the total to £188.33.
(Thanks to fras23 at HUKD)