The hotboxes on the Woolies are still comically large, Bubsy's deceleration is still ridiculously slow, and the game still feels like it's a mess. The controls are a bit more comprehensible and Bubsy can go much faster without having to come to a stop to change direction.
Bubsy 3D, like most Bubsy games, is a theoretically very fast 3D platformer that doesn't actually give you an outlet for your speed because it punishes you for going too fast. The new controls make this more obvious than it was in the original game.
I'm a bit bummed that there doesn't appear to be an option to render Bubsy 3D at native resolution, so it still runs in its native resolution with widescreen expansion. It's a game that's got a peculiar but interesting art style and it'd be cool to flaunt it better.
The widescreen implementation is clumsy and has terrible clipping issues in the area outside the 4:3 region. I almost wish they didn't even bother with widescreen if they couldn't implement proper FOV fixes.
Overall, though, Purrfect Collection is a solid collection of old Bubsy games and $20 seems like a fair price for what's on offer if you actually like Bubsy. It does replace the $5 Bubsy Two-Fur, but is a more competent collection than that with double the games.