Based upon my experience :
Forte 4a, 50W, stereo, deep class A bias, $450(get two of them)
Citation 7.1, 150W x 4, low class A bias, tonally identical to the Forte but not quite as open or dynamic, nice package $850.
Classe DR-9, 100W, higher class A bias. VERY nice amp, $1000-1100.
McCormack DNA-.5 deluxe, low class A bias, ballsy amp, dynamic, $800.
Good luck
Jeff