Just a quick heads up, Speedy Hen currently have some pretty good prices on DC/Vertigo books e.g.
52, Sandman 1+2, Invisibles Omnibus's - £45.05
Doom Patrol Omnibus pre-order - £44.40
JSA Omnibus - £39.40
Absolutes - £31.25
Planetary/Animal Man/Brightest Day/Flash by Johns Omnibus - £23.92
Daytripper Deluxe - £12.17
Fables/Y The Last Man/Invisibles/DMZ Deluxes - £10.80
These are the prices shown on thier own website it seems they have similar prices up on the amazon.co.uk marketplace but if you order through there you will have to pay the shipping.