Where to buy a PC without Windows? (UK)

Can anyone suggest some good places in the UK to buy a new PC without
putting money in Bill's pocket?

Thanks

Reply to:

Follow-Ups:
- Re: Where to buy a PC without Windows? (UK)
  - From: Kevin Mark <kmark@pipeline.com>
- Re: Where to buy a PC without Windows? (UK)
  - From: "Jean-Marc V. Liotier" <jim@jipo.com>
- Re: Where to buy a PC without Windows? (UK)
  - From: Craig Genner <craig@gennerfam.freeserve.co.uk>
- Re: Where to buy a PC without Windows? (UK)
  - From: Alan Chandler <alan@chandlerfamily.org.uk>