Not sure where they have dug this up from but FTR have the Xbox PGR starter kit available to order for £6.89 delivered. Last time I looked into this you could use the 12 month sub on an existing Xbox 360 live account. Perhaps somebody can confirm that is still valid?
If youre not yet an Xbox Live member, a Starter Kit is the easy way to get straight into online gaming. Its got everything you need to sign up to Xbox Live on your Xbox or Xbox 360, or you can use it to renew your existing Xbox Live subscription. The kit includes:
A 12-month Xbox Live membership
An Xbox Communicator headset
Project Gotham Racing 2 game
Xarcade launcher and 12 demo games