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Most important for now: How to limit visibility in XPL10?I know how to do this inside the simulator, in weather settings, but can i do this in some CFG file like in FSX? I'd like to use it with real weather if that is posible in XPL.And if response is positive, where is CFG file located?I'm relative new to X-Plane, and i don't know to much about performance tuning, so if there are some experienced XPL users - could someone post the most important tips for us, beginners?ThanksZeljko

Hi,I have taken the time to run a quick comparison of performance. As I have noticed before that X-Plane 9 runs much better under Linux than Windows, I decided to put X-Plane 10 to the test. The results where even more significant as they were with version 9.Windows Vista 64bit vs. Ubuntu 11.10 64bit!My sytem specs are:nForce 680i SLIIntel Core2Duo E6750 @2.67GHzNVidia 460GTX 768MB (latest drivers installed)4 Gigs of DDR2 G.Skill Ram (dual channel)My X-Plane is version 10.04 Beta 1My method: At first I wanted to use the save and load situation feature, but X-Plane under Vista wouldn't read the situation file created under Linux. I ballparked the weather and put the plane in the same area (not exact same airport though). I tuned settings under Linux to give goog performance and copy/pasted the preferences to my Vista installation, so settings are identical.These where my settings:(As mentioned, the weather settings where replicated out of memory for the Vista trial, but I am confident I got relatively close.)Here goes Windows Vista 64bit SP2:As you can see, my system struggles to hold 15 FPS. Overall, it was barely doable, with long (sometimes several seconds) pauses when actions, such as changing views, where taken. To get X-Plane 10 running smooth under Vista, while very possible, I do have to turn those settings way down. When it loaded the Aircraft at KSEA at first, it took almost one minute to open the menu (or do anything, as a matter of fact) as high density urban sceneries bogged frames down to less fingers I've got on one hand. It took 03 minutes and 45 seconds to load the sim under Windows. (Time from clicking the .exe to switch startup screen to cockpit view)And now prepare for some magic! Ubuntu 11.10 64bit:Wow! Rarely ever drops below 30 FPS. Very enjoyable performance with nice visuals. However, when going to KSEA (high density scenery) FPS will reside around 15 FPS. But, for some reason, the overall experience will still be smooth, with much less stuttering as compared to Windows when running at comparable FPS. If 15 FPS is to low for some, I do recommend lowering the detail distance when in certain areas, as changes in that particular setting are quick because it does not require X-Plane 10 to run its load-screen. The time (same criteria as above) to load the sim was 01 minute and 52 seconds.Conclusion: As performance for X-Plane 10 more than doubles with Linux compared to Windows and load time almost halves, I think it is safe to recommend Linux for anybody serious with X-Plane 10. I got me a relatively cheap, used Harddrive from ebay, put Linux (doesn't cost a dime) on that sucker and will likely never use X-Plane 10 again on Windows. As far as X-Plane 10 is concerned (for me at leat) the party only really starts when you use it with Linux.Hope this was helpful.Greets,- J.P.