Black Bitch
Fractal Fanatic
I've checked out the new ir's from Ohwnhammer with the Plexi 2204. Those ir's are based on a Friedman BE-412 4x12 cabinet and they sound awesome. Those and the last Marshall Cab Pack: OH 412 MRBW are my absolute favorites at the time being.
Preset can be downloaded here: http://axechange.fractalaudio.com/detail.php?preset=6471
Preset can be downloaded here: http://axechange.fractalaudio.com/detail.php?preset=6471