I thought the IMC was great, but I can't say it improved any fundemental aspects of my flying. If anything, my instrument flying has developed a couple of slight rough edges during my CPL since the IMC. I think this is possibly because much of my CPL instrument time was partial panel or being lobbed about the sky with great abandon.
Why do you need to do such aggressive unusual attitudes (UP's)? Seems like its the examiners play time 2 me!
Except I was almost thrown in my CPL exam because the examiners idea of an unusual attitude was wasn't terribly unusual a bit of a steeper climbing and descending turn almost. I was so used to being chucked all over the place by my instructor.