Zavvi's Mega Monday Deals
http://www.zavvi.co.uk/zavvi/zavvi/offers/mega-monday.list
Main one I liked was Dead Space but there are a few other games so check it out if you're interested.
http://www.gamestation.co.uk/lowdown.aspx?lid=20113
Weekend offer
EDIT: Scrap that. Play.com has it at 17.99 for its Mega Monday deals
PS3: http://www.play.com/Games/PlayStation3/4-/8284388/Prince-Of-Persia/Product.html
360...
On Play.com
PS3
http://www.play.com/Games/PlayStation3/4-/8229447/Star-Wars-The-Force-Unleashed/Product.html
Xbox 360
http://www.play.com/Games/Xbox360/4-/8229446/Star-Wars-The-Force-Unleashed/Product.html
Gamestation's deal of the day is for Soul Calibur IV
Xbox 360 owners may be interested in the deal for £19.57:
http://www.gamestation.co.uk/lowdown.aspx?lid=20113
Note that the deal is a daily offer. I'm guessing that the offer will probably stop around late morning tomorrow.
PS3 owners...
Hey.
Gamestation is doing a different deal each day. Today's is Legendary. I'm just hoping they do the same sort of deal for PoP :)
http://www.gamestation.co.uk/lowdown.aspx?lid=20113