A very quick test on 8 strings, double tracks, SSD2, no bass.
The guitar is Agile Intrepid, BKP Warpig with whole step down. I recorded some riff from 'Iced Earth - The Coming Curse'. Only TSX X30 and Catharsis's IR with HP, LP.
http://dl.dropbox.com/u/870146/intrepid_warpig_test.mp3...