Yep, I read from another forum last night to make sure the transparency AntiAliasing was set to off. Before jumping in and buying the GTX-960 (and shipping it overnight on FedEx), I was more initially worried about integration of a new GPU into my 3 year old Dell XPS 8500. I read where some users had show stopping issues and others reported performance loss when they did get a GPU integrated into older Dell's. This card ended up being a perfect match for my aging system for yet another midlife upgrade and the who process was very seamless. I have to say, I never got this level of rendering performance out of my old HD7770. With REX and high end aircraft models I would always have some cloud texture flickering or anomalies and moderate to low FPS in moderate to heavy overcast settings. With the GTX-960, I am now getting very good to excellent FPS in and around heavy cloud concentration settings as well as near perfect cloud and sky renderings. My entire Sim experience is smoother than I've ever known before which is great considering I'm running a non-OCed i7-3770 (non-K) CPU. The only minor issue I am having is that at certain zoom settings (both in VC and External), there's a bit of fuzziness on some VC displays and external leading edges. Zoomed in they look clear but zoomed out a little, there's that slight bit of fuzzy appearance. I saw this issue with my previous GPU with different drivers but here, I have the latest drivers for this new GPU. It's not a big deal, I reckon I'll get it sorted with some advice on settings or perhaps driver upgrades/changes. Oh, I almost forgot, I did leave my FSX config tweak as it was from when I used Bojote's Auto-Tweaker & manual tweaks from Kosta's advice. As things are running so perfectly now, I don't want to mess with the CFG much for fear of screwing up something!