Jessops
Buy projectors here. Also studio flash, fabric backgrounds, brollies, reflectors, accessories, lamp/photoflood, diffusers, kits, paper backgrounds, softboxes.
Maplin Electronics
A good solid range of projectors including Infocus, Epsom and Hitachi. The InFocus X3 which is a dual-duty digital projector that is equally at good for work or an entertaining evening. InFocus X3 is where great business tools and exciting entertainment converges into a projector of superb quality.