Since you have said "we" in the post I would assume that there is more than one person involved....If this is the case then send one person to one auction and the other to the police auction....My wife and I used to do this when we were big into eBay....It never failed that there was more than one auction on the same day that we wanted to attend. Thanks to the power of cell phones it is easy to stay in contact and get opinions on things without having to be in the same room.

Police auctions can be great providing that there are no overzealous bidders at the sale. There are a good many times that people will bid well above an items value just because they are caught up in a bidding war with some idiot.