I currently use both, and there are a couple things that make it smoother. - Use dRaster plugin (not free), to use the same viewport navigation in both programs, and use the same shift/control functions in both programs. This allows you to switch back and forth without having to switch your brain back and forth. - Use the…
Would you be willing to share your script/tweaks? I loved TexTools in Max and wished similar functionality would be brought to Maya, since that's what I work with mostly now.