I still want to give Woodchuck credit (if not cash), since I've gleaned some useful information from more than one of his posts.
Thanks for the advice, though. I actually did a clutch job on the same car about 10 years ago, and I was hesitant at that time to put a screwdriver between the seal lip and shaft for fear of scratching the shaft and providing a leak path directly to my new clutch. That time, I actually cobbled together a pretty ridiculous homemade puller that required the drilling of two small holes in the seal to use. It worked, but in hindsight it was overkill. The fact that so many of you guys said that you used small screwdrivers to remove the same seal gave me confidence to try it. I felt ridiculous when it popped out so easily.
As before, I'm replacing all the seals on the transaxle (main shaft, gear selector, clutch lever, final drive flanges), as well as the release bearing and rear main seal on the block. You've stumped me with the mention of a "differential bearing seal" though. On my transmission, the only seals associated with the drive flanges are the flange seals and the outer cap. There is a brass "tapered ring", that comes out of the bearing, but no seal. The differential bearings on my transaxle are unsealed, tapered roller bearings that are clearly visible when the flanges are removed; there is no seal. My Bentley manual doesn't mention this seal either. Que?