What's the best preamp for under 1000


I would like to buy a top quality used preamp for $1000 or less. Should I be looking for tube or ss, and what models for best price? I want to be able to build the rest of my system around this piece, so I want it to be as musical as possible. Any specific recommendations? Thanks for your interest.
mainman
I'd add the Audio Research SP-9 to the list if a phono stage is needed. All versions can be had for less than $1000, I would go for the latest MK III which is the best sounding but a little harder to find (there was one listed recently in the $800-900 range). When it comes to relaible service, holding value, and of course good sound Audio Research is a good choice. Of course there's nothing wrong with any of the other recommendations. As has been said many a time the best is very system dependent!
For an active preamp, the original 6SN7 based Blue Circle BC-21.

There is also the earlier CJ version; the CJ PV-10A, which is similar to the new B model.

There is a plain PV-10, from 1989-1992 which was my first tube preamp. It uses different tubes then the A and B versions.
If you're going to look at the CJ's , also look at the Audible Illusions(L-1 linestage and M3A w/phono) It is still one of the best sounding preamps out there but often overlooked. Make the comparison for yourself!
Thanks for all your replies. This is what I'm finding. the Audio Research has the best resale value of any of the used equipment. There are a couple of better deals out there, but I'm not sure of the sound. I don't need a phono stage and am finding that I would problably like a tube preamp. I'm looking for something really musical and the CJPV10BL sounds like a good choice. It's tubed, It's linestage and It's still reasonably priced, compared to what people are wanting for the ARC products. Another choice is Mcintosh. I was wondering about the McIntosh C712? It's not tube, but has lot's of features. I'm not sure of the sound, but I'm not sure of any of the mentioned preamps everyone recommended either. So I guess it comes down to taking a leap of faith and if not satisfied, sell it, like everyone else here on Audiogon... Sound like this has happened before a few time here. I'm looking also at ARC LS2 and Audible Illusions L1. I think the ARC is a better choice. Do you think any of these will sound better than my Adcom GTP-500II? But really thanks everyone and let's keep this going. I'd like to hear from all points of view.
I'd check out the BAT VK3i at about $1K used with remote. No balance, but unity gain for HT pass-thru and will accept balanced or RCA in, and has balanced or RCA out. Long tube life and very musical.