List your favorite solid state amplifier links here.
It seems appropriate to list a few other forums that are dedicated to solid state amplifier and preamplifier designs:
diyAudio: Solid State, Pass Labs, Chip Amps, Class D, Power Supplies, Headphone Systems (Amplifiers)
AudioAsylum: Amp/Preamp
Audio Roundtable: Silicon Valley
AudioCircle: All Solid State
AudioKarma: Solid State
Audio Heritage (Heritage Altec/JBL): Consumer Amps, Professional Amps