I agree that BSP is not ideal for exteriors. However, as Doug stated it is still alive and well and used in a lot of games (GoW has sold over 3 million units). There are different flavors and hybrids, I'm sure, but it's not something that should be scoffed at or slapped around. Anyway, I think it is a bad move to make it Pro only, and perhaps, Comm and Pro would be a better compromise. I fail to believe that most users don't use BSP and are making their levels exclusively out of entities of various sorts.

I just think it's a bit unfair to the users (esp. long time users) given most of the code and helpful hints and tips on the forum are geared for BSP levels and not to mention the engine has been BSP based since A4. I'm not opposed to change and progression, however my objection is based solely on the fact that BSP has been around since the dawn of time and seems like the foundation of the entire engine when you get right down to it.

Surely, there is some other feature that could be sacraficed (keep multi-object physics pro since there is always Newton for non-pro users?? new light management? zfail stencils?). Given my limited test with the A6 beta, I have discovered that the ABT rendering is not faster on my interiors. I get a 5-10 fps drop. I get a steady 60 fps without visibility factored in on the same levels in A6. And, of course, I realize it's still a beta, and this may improve with time.

I realize I'm only one person, and this isn't going to change things, but it's something I think needs to be said. Others should chime in if they feel the same.