I learned TS in about a month, it has a very intuitive UI with every option available via a nice icon menue system that saves screen space, I tryed to learn 3DS I can barly see anything in the windows(im used to the one big screen), the screen is half covered by buttons and options I can't edit and rotate/zoom at the same time (have to click four buttons to swich in TS its automatic) it took me three hours to find out how to point edit another hour to make changes to geometry on par with TS' draw polygon tool, and even then it's hard to do becase I have to press five buttons between every new point/face/rotate/zoom/anything. I have only used 3DS for one thing of importance when one of my models got a hole in it, one of the two things TS does not handle well, holes (the other being UV editing), it took me a day and a half to kill the basterd hole in that hell hole with all the fliped polys and stuf 3DS made as I (tryed to) fix the hole, then it took me another hour to get it into FS after I swiched it back to TS.
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