Tested this out, and pretty much if youre going to do full game runs, dont use ps2. Ps2 load times are about 13 seconds between levels, emulator loads are about 6.5 seconds (inconsistent), and xbox loads are as low as 4 seconds, maybe slightly faster. Havent properly tested out load times when skipping cutscenes however but again I assume xbox would just be the best. ILs shouldnt matter what you do it on (but wouldnt recommend emulator as frame drops slow the game down)

PAL ps2 will have the worst loads and frame rate yeah. And yeah Im sad to find that its not a backwards compatible game but thats the way it is. Im planning on getting an og xbox (already have the game) but its a must have to get a really good time in the game. But by all means run on ps2 youll just have to sit through the loads haha. Have thought about removing loads but its not really worth it. Just get the best times you can with the loads anyway I guess.