Hugh,
Not sure how much the eVo2 power amp is, but I think its slight dearer than the eVo 2i integrated, series2 that I got for around $4000. I think the 6 channel analogue preamp is aorund $5500 and the eVo4 or eVo 6 (can't remember which) is around the 5000 to 6000 mark.