I'm looking for something new, something different, something way louder than I know what to do with. I play rock! Old school classic, lots of Sabbath, Down-tuned Doom, some Metal, alternative, etc. The Guit@r players in my band Play a full Orange Stack and a Peavey 5150 thru Marshal halfstack. I already have a Mesa Boogie 400+ thru a Berg NV425(i'd like to add an NV215 to this cab some day...soon) and a GK 700RBII thru an Aguilar GS212. It's down to these.... Mesa Titan V12.... This amp looks almost perfect for me except for one thing. It puts out 1200w into 4ohms, but only 840w into 2 ohms. This may be its shortcoming for me as I want to run a Berg NV425/NV215 combo. I love Mesa, which this one's got going for itself, but i've never played this model. Aguilar DB750.... This one is almost legendary here at TB. I used to own a DB359 tube head and had the AG500 solid state head. Still own my GS212 cab. Love Aguilar and have drooled over this amp for a long time now, but sadly, still haven't played one. Gallien Krueger 2001RB.... I love the GK tone. My heart lies with tubes, but GK just has that signature sound that I love. Has many great features and is priced the best. Genz Benz GBE1200.... I don't know much about this head. I do know that I've never read a negative review of it. GB people, give me your input and explain why this is the best head out there for the money Or should I just say screw it and go find me a USA Ampeg SVT VR? Another amp I drool over. Those are my finalists. Any info/opinions you may have will help me greatly. I will be keeping my Mesa 400+ head, if that needs to be taken into consideration. Thanks.