Mine had done 158,000 miles when I bought it and it still feels as tight as a drum. My last 8V had done 151,000 when I got that too, and never gave any problems.
As for ebay, I never bid on anything until a few seconds to go. If you put your max bid in too early, there is more time for people to run you up. If the price is getting closer to your bid, or over it, it is too tempting to bid a bit more.
If I cant be around at the end of the auction, I use a bidding tool called Hammersnipe.(Google it and you'll find it) You pay $2.00 and it will bid for you as close as 3 seconds before the end of the auction. That way nobody can bid against you cos they dont know your bidding, and if the price does go over your max bid, well you dont win it. After all that is the whole point of setting a max bid.