Warhammer Gear - The BEST deals!

Expanse Gaming - Cheap tanks and lots of blister packs

Wargames Workshop - pretty good deals on Space Marines.

GEO-HEX - Battleground landscape system - THE BEST terrain you can get bottom line!

EBAY

Items matching ( black templars ) - Automatically search Ebay or "Black Templars"

Items matching ( black templar ) - Automatically search Ebay or "Black Templar"

Items matching ( (scenery,terrain) ) - Automatically search Ebay or "Scenery and Terrain"

Other Stuff

Chessex.com - Get dice that match your Chapter color scheme!