I had it done at Safe N Sound in Croydon (I totally recommend them), total cost was £270. Needed Dension retention kit (£43.47) Dension Gateway 100 (£95.64) iPOd Lead (£26.08) and they charged £57.50 to install (very good value I thought). Works brilliantly, CD still works perfectly, Dension shows up as MD in the display. You don't get much feedback on the display, but I had the iPod lead installed into the bottom part of the centre console and I control the selection from there. Then you can control up/down songs from the steering wheel as you would anything else. To be honest it's not as good as a fully integrated display, but the Lexus head doesn't seem to support that. Sound quality is as good as the CD, so no worries there. Good Luck...Paul.