I recently bought and installed a new video card: GEFORCE GTX 1050i with 4MB GRDRS memory, replacing the 2MB NVIDIA GEFORCE GTX 950. Please don't ask me what all of that means, but the difference the new card makes running either TSW or the new 64-bit TS astonishes me. Details of scenery, weather, rails, and rolling stock I'd never seen before now delight my eyes. I'm not one of those who claim extremely high fps rates, but with this card I'm experiencing an increase of 10-20% over those delivered by the old card and those rates are much more constant regardless of what's happening on screen. I'll just add that installation was complicated by the fact that ASUS never intended having the original card removed: at least, I'll say that removing a tricky bracket and a stubborn power cord resulted in frustration and lost time. The new card, on the other hand, went in very easily and the DVD in the package made driver installation trouble-free.