Maplin usually don't have great deals, but this one is really good.
It's Linksys Kiss DP-1600 High Definition Media Player
Multimedia Player with Ethernet & Wi-Fi Network Connectivity
Stream music, video and pictures to your TV and your audio system from a computer (PC or Mac) on the network either by wire or wireless Ethernet
Enjoy movies, music and pictures from DVDs, CDs, USB and the network
Linksys Online portal provides you with thousands of web radio stations, an online Electronic Programme Guide and games
Playback multi-formats from your digital library
Watch Windows Media 9 files in standard or high definition
Encode, play and burn Nero Digital
USB port allows you to connect a hard disk, MP3 player, digital camera etc
DVD player and upscaling DVD to 720p using the HDMI 1.2 connection
The cheapest I could found anywhere was £196. Maplin are selling for £149.99. You can get £7 off using their vouchers if you are subscribed to their mailing list (or search for the codes on this site/google). And you can get %3 cashback via Quidco.
More details about the player here:http://www-uk.linksys.com/servlet/Satellite?c=L_Product_C2&childpagename=UK%2FLayout&cid=1172713255586&pagename=Linksys%2FCommon%2FVisitorWrapper&lid=5558660635B01