Problem when loading from editor

Ever since I've upgraded my card (to a radeon 9600pro), the program would crash when I loaded certain coasters from the editor and tried to jump to the sim from them. This happens randomly, I tried loading it directly by right clicking and selecting the ride function (from file association) and it worked. Whenever it crashes, however, it would reset all my graphic settings (don't understand why it has to use 640 480 as default on 16 bit, it looks like crap), and then I have to waste time setting them back to normal. This seems to have happened a bit on my old comp, with some ati rage card. I also read of some compatability issues of NL with ati cards on the site.

Will any of this random crashing be fixed?

Oh yeah, ever since 1.5 came out, I've found loads of graphic glitches. (particularly with terrain and distant trees appearing in mid air when you're low to the ground and there's no mountains in the background. Also, there's an issue with the lens flares that's been around for a while.)

It's probably your graphics drivers...

Yeah, I checked the FAQ's and it mentioned that, but the upgrades aren't very major, and my drivers seem to be pretty up to date.