Just saw these in my local Zavvi:
Boogie and Boulder Dash Rocks on DS - £4 each when purchased with something else... you can get gift wrap from there for 30p, so seems a bargain to me!
Not played Boogie before, but Boulder Dash is well worth £4.30!
Great for Stocking Fillers...
There were other things in this offer too, like DVDs - can't remember what though!
This was in Middlesbrough store - not available online at this price.
Think you still get 10% off with a Virgin Credit Card too....