http://xy.cx/synth/
A synth site spotted by brian c:
"He has manuals, etc and history for the following
Kawai K5000S (Additive)
Yamaha VL1 (Physical Modeling)
Korg Z1 (Physical Modeling)
Alesis QS8.2 (Sample/Subtractive)
Nord Modular (Modular Analog Synthesis)
Yamaha TG77 (Frequency Modulation)
Yamaha EX5R (Various)
Kurzweil K2500R (Sample/Subtractive "VAST")
Korg Wavestation A/D (Vector)
EMU E-Synth (Sampler)
Korg MS2000BR (Analog Modeling)
Technics SX-WSA1R (Acoustic Modeling)
Korg Oasys PCI (Various)"