I Love Schranz, Robert Natus really does it for me, but for Live sets Arkus P is wicked!! OBI, Ocram,Seema, Frank Kvitta, Linda Pearl..... I could go on forever. The Schranz total cd compilations are wicked I would highly reccoment them.
As for sets check out - www.combat-skill.org www.unitedsb.de www.hardtechno.be www.givewayrecords.com