Chiptunes: Dave Green at Games:AV, Oct 2007

YouTube via museumoftechno.
"Museum Researcher Dave Green attends the Games:AV chip tunes event at Club 333, London to interview gwEm (http://www.preromanbritain.com) and Jellica (http://www.kittenrock.co.uk ), and to witness the music of musicians such as ZX Spectrum Orchestra (http://www.warmcircuit.com )."

Roland HS60

images via this auction

"Juno 106 with speakers"

Synth Plus 60

JoMoX XBase09

images via this auction.

ARP QUADRA (PART 1)

YouTube via stephenteller. Be sure to check out Stephen Teller's website as well.
"Some quick noodling on the Arp Quadra using only the string and solo synth section."
Update: An interesting note about the Quadra is that it was two portamento sliders, one for each VCO.

Girls Aloud - Oberheim OB-1

via ben

"member of a pop band called girls aloud 'playing' an obehrim ob-1"

If anyone knows there website, post a comment.

RSF Kobol

YouTube via zaphid.

KeyToSound I-NetSynth Pilot System

Prototype system. I remember seeing the ads for these in Keyboard magazine if not elsewhere. If you know more about this one, feel free to comment.

keybdwizrd - Brazzaville (Ethno and MachFive 2)

YouTube via keybdwizrd.
"All sounds created using MOTU Ethno Instrument and MOTU MachFive 2 software. Drums, bass, and guitar sequenced using MOTU Digital Performer."

A Vangelis Moment

YouTube via loonytunes1234.
"Arp and filter/cutoff wrangling, results in a Vangelis/Spirals vibe."

DK Synergy II

images via this auction
"The Synergy II + was made famous by Wendy Carlos on the legendary recording "Beauty in the Beast", the Synergy essentially replaced her Moog modular system. The Synergy is a Phase Modulation/Additive synthesizer. Phase Modulation is very similar to FM found on the Synclavier and Yamaha DX style synths. The main difference is that the Synergy has FAR more parameters and features when it comes to creating sounds. For example the Phase Modulation algorithms are user defined with up to 16 oscillators available. The envelopes have up to 16 stages/per osc, and are loopable. Each program/sound consists of 2 'boundaries' which are essentially 2 separate timbres. You can morph between these timbres via velocity and key number. Voice allocation is very sophisticated, allowing for very complex 'floating' keyboard splits/layers/voice cycling. One can easily say that there are many amazing features on this instrument which have never been equaled or surpassed in other synthesizers."