Hit the little ">>" button (go to last post) on a thread with too many replies and it goes to the first post.
This has 1068 replies and doesn't work anymore
Paul & Sabrina's cheap DIY 144v motor controller
This has 1129 replies and doesn't work anymore
Ben Nelson's Electro-Metro Build thread
this thread with 800 replies does work
Electric car conversion: Project ForkenSwift
I think the controller thread stopped working recently so it is somewhere around 1000 replies where it stops working. The "interesting" numbers near there are 1000 and 1024.
FYI.