This tiny camcorder is going for ~£250 at most other stores, in fact Play.com themselves have the RRP down as £329.99. It does not use a hard disk, DVD-RW, or Mini DV, but actually SD cards.
Play.com are also selling their own-brand 8GB SDHC card for £14.99 at the moment - with this you're looking at over an hours footage at top XP quality. To be honest, not sure if the battery would last THAT long..!
Quidco too don't forget for a few bonus pennies, and attached 5% discount if not already used.