The BBC website has an article on Warhammer 40K. Gary Chalk, (one of my favorites) former Warhammer artist and game designer, doesn’t have good things to say.
The Miniature Wargaming Editor
State of War ACW Skirmish Rules
Richard Bradley’s State of War ACW Skirmish Rules are available at the Tyneside Wargames Club site.
Castles, Cogs & Chevauchées
Castles, Cogs & Chevauchées is a set of campaign style rules for skirmish level combat using the Knights and Knaves skirmish rules.
Knights and Knaves rules at the same link
Coastal Warfare Rules
Richard Bradley has a set of WWII Coastal Warfare Rules. This is a period I’ve always wanted to play.
Greater Space Battles
Greater Space Battles is a set of solo rules for space battles using miniatures from Solipsist Games.