Jim,
I have waited for a few of the more knowledge out there to pipe up, but feel I should also toss in some thoughts.
Your original post is a little skinny on details for me. Are you guiding or just tracking, and what exposure length are we talking with the results showing elongation.
I agree with Peter, sit tight with the collimation at this stage, at least until you can tell us without guessing that it is actually "out".
Collimation is something you will need to tackle sooner or later, but right now get the rest sorted. Guiding etc, then worry about the rest.
The upgrading of the focuser will make this scope really nice to use, believe me.
Gary
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