I've been wondering about light, full suspension bikes for my next one, but all those complex linkages seem so, well, complicated that I just haven't gotten the urge to start spending the money.

If complexity is what's stopping you, then let me recommend the Santa Cruz Superlight. Extremely simple design. I used to own a Heckler, which is the same frame design, but made of thicker/different tubing, and I was incredibly happy with it. I got rid of it when I bought a full on downhill bike (Titus Quasimoto DH), and went back to a hardtail for XC riding. I've been thinking about getting rid of the hardtail in favour of a Superlight...