I belive v70 had the problem with ETM in some pre 2000 reg and up to 2002, later models 2003 reg had the different ETM fitted, please correct me if im wrong but I didn't see any ETM fail after 2003 reg, is up to you when it comes to milage if you want car that has under 100k or above but if you willing to go above you could pick up 03-04 reg with around 110k on clock, I can't advice on auto box as I never had one, I would take some CD's with you just to check if the cd player will eject them with out any problems, some have issues, all ready some one said have a look on car auction thats where most of cars come from when they on autotrader, have a look on ebay, the seller will allow you to come and have a look, few links in the first one you even have diesel, please note that I have nothing to do with them cars is just example
http://www.ebay.co.uk/itm/Volvo-V70-...item2a182c47de
http://www.ebay.co.uk/itm/2004-VOLVO...item3f15cbb040
http://www.autotrader.co.uk/classifi...1501?logcode=p
Ade