I've always liked the Forge World Black Templar shields. Found some going cheap on the eBay, and decided to combine them with Deathwing Knights for my Deathwatch Army ([url]http://www.lounge.belloflostsouls.net/showthread.php?49607-Deathwatch-Army[/url]).
Obviously their equipment combo isn't legal. Ask me if I give a s***: no. No I don't. So in game terms, I'll either run them as Deathwing Knights or THSS Terminators.
The helmets, if anyone's interested, come from the Valkir Heavy Trooper kit ([url]http://dreamforge-games.com/collections/infantry/products/eisenkern-valkir-heavy-trooper[/url]), and were left over from my recent plastic SoB build ([url]http://www.lounge.belloflostsouls.net/showthread.php?52847-Non-GW-Plastic-Sisters-of-Battle[/url]). I think they look rather swish.