48-hour update. I should wait longer to make a final judgement, but I'm too enthusiastic. The AKG P8ES sounds fantastic! I won't say it's the "best" but if I could only have one cartridge for the rest of my life, and this was it, I wouldn't complain. As described in my post #11, the stylus was totally effed, suspension like a rock, it wouldn't even play. Now, after torturing it, it's glorious. Every detail, deep defined bass, lush midrange, all in a holographic soundstage.
I've no idea what its specs are, it came from Frankenstein's lab. Marinated in lighter fluid, drowned in alcohol, then twisted in all directions manually, it's a total freak. So much for "microscopic precision" and "tight tolerances". Bangsezmax fixed his with the WD40 trick, says it's off-center with other faults, but it's still his favorite MM. I haven't done comparisons yet, but I know it's right up there. The fix may be temporary, but if it lasts, the stone is NOS, with a long life ahead of it. It even tracks at the recommended 1g.
Luke, if you're still considering yours, I'd jump on that LP Gear stylus. I can confirm at least the cartridge body is first class.