prob about 150 quid for the lot id say - possibly stretch it to 200.
these are a bit old now but still look the tits. Personally i would not pay more than 150 if it is all mint.
I just sold a 6 disc kenwood changer on fleabay - only used once, boxed as new and that went for 67 quid. The system to go with this changer sold for 100 quid (to a fellow pf member) but the system was worth over 300 quid new on its own.
Stereos are cheap these days - i picked up a nice Sony CDX-M800 quite cheap the other day off someone i know.
Hope this helps