For "modern musicians" among us, there are good deals from Toontrack products, most notably:
Toontrack EZmix 2 $29 (from $149)
Toontrack EZkeys Retro Electrics Plugin $29 (from $149)
Others are mostly EZDrummer bundles or expansion kits.
Not sure when it will end
Can be had for 21,01 € (After they remove VAT) ~ $31AUD
http://www.bestservice.de/en/ezmix_2.html