http://folding.extremeoverclocking.com/user_summary.php?s=&u=99521
The 353-ptr's are those old ones that complete a frame in under a minute on older gpu's. That's all you're showing last couple days, that's all that's making it in.
Sorry the o/c crashed but now just imagine all the fun you're going to have manually tweaking it!
I just read the 8800gt info in your msg a little more slowly. My 8800gt's get 5000ppd, all of them, 52-54 seconds per frame on those 353-ptrs. That's not actually 217.4 points per hour by any chance, is it? Something wrong as you say, and it's just 353's hitting, (so no cpu's) as you'll see when you click the link.