It looks like Matrix has died and gone to synth heaven.
He’s posted a massive synth porn gallery at Flickr that explores Synthorama - a synthesizer museum in Switzerland.
Each room in the museum has a theme based on manufacturer, and the majority of synthesizers are playable.
Yowza.

Jooris Benny has shared some great pictures of an ARP 2500 synthesizer.
The ARP 2500 is a synth classic, and it was the first synth I ever used, at the University of Kansas, before I could afford my own!
It uses a combination of patch chords and matrix switches to create connections. Each module’s panel has signal [...]

Marc Doty introduces what looks like it will be a really well done set of videos on the ARP 2600.

Arturia have released version 1.2 of their ARP2600V soft synth, a virtual recreation of the Arp 2600.
What’s new:

Universal Binary support
VST 2.4 Cubase 4 ready
A new installer, regrouping all previous updates

The update is a free download for registered users.

2007 Winter NAMM Show: M-Audio announced the KikAxxe virtual vintage synthesizer, developed by partner Way Out Ware.
Way Out Ware previously created the highly regarded virtual version of the ARP 2600, the TimewARP 2600.
The KikAxxe brings together a faithful emulation of the classic ARP Axxe synthesizer, an analog-style 16-step sequencer, programmable drum machine and emulation of [...]

2007 Winter NAMM Show: Arturia, a company known for its software emulations of classic synths, has announced Origin, a hardware synth that features their software emulations of classic synth hardware.
It sounds a little confusing, but what Arturia has done is put the flexibility of their software synths into a hardware package.
Origin is loaded with [...]

GMEDIA has announced the the GForce Future Retro Pack collection of GForce virtual instruments. GMedia is calling this a “limited-edition collection” that is only available for a short time.
The GForce Future Retro Pack combines all of GMEDIA’s emulations of vintage keyboards in one affordable package. These software instruments - Minimonsta:Melohman, The Oddity, impOSCar and M-Tron [...]

NAMM 2005: Way Out Ware introduced the TimewARP 2600 plug-in, a virtual recreation of the Arp 2600. The first release of the TimewARP 2600 is an RTAS plug-in and runs under Digidesign Pro Tools 6.1 and later versions, on either Apple OSX or Windows XP and is available at http://www.wayoutware.com.
Future platforms including TDM, Audio Unit, [...]