+1 Another vote for Voodoo Amps
for me the meanest non-modded marshall I ever owned was a 2555SL
"sig slash head" - (Years ago "my tone" was running my "prized" 2555sl 1/2 stack in tandem with a Splawn Pro mod 1/2 stack - "Killer & Heavenly" sounding but also deafening
I sold the 2555sl...