The title says it all with this one really -
XBOX 360 Power Brick & Plug - £20
XBOX 360 AV Cable (Official Microsoft) - £6.50
Prices include delivery. Open to sensible offers and obviously there's a discount to be had if you take both.
Pictures to follow
Also have a 2.5 inch IDE Hard Drive enclosure. Don't have a spare hard drive to test it but it all seems to power up fine - £4.50 delivered.
Prefer payment by paypal, either gift or you cover the fees.