Quote Originally Posted by Treemonkey View Post
I am interested in making is a lightshow which responds to music. I do a fair bit of coding in my day job so shouldn't be a problem getting going :)
Am at the bolting `sketches` together level, but even for a total non programmer like me possible to get it do useful things, did a pan tilt mount with analogue stick and RC servos for a CCTV camera in about 20 minutes from Arduino libraries and sletches. Kinda reminds me of typing listings in from magazines on a ZX81 :-)

For colo(u)r organ duties, the MSGEQ7 makes life super easy, 7 band spectrum analyzer, very cheap on ebay, as are Arduino shields

Uduino.com - Using a MSGEQ7 EQ with Arduino