Check out some of the items/kits sold on

ACKits.com

That site also has a forum with a pretty knowledgeable moderator. Prices are reasonable, too, from looking around a bit at other places

On a slight tangent: I dropped off my Mystique at a shop for A/C work -- bad cycling switch, bad relay, rusted-out condenser and accumulator. Wish I had a garage to do some of my own work...

Po 1995 Mercury Mystique GS: Zetec 2.0L I-4, CD4E 1978 Ford Thunderbird Town Landau: 351M (5.8L V-8), FMX Coming in 2007 -- 1986 Jaguar XJ12 Sovereign: 5.3L High-Efficiency V-12, GM transmission