Have you ever taken a close look at the CZ 527 line? I can't possibly see why one would want to upgrade that fantastic single-set trigger. They are known for incredible accuracy, so you probably would not want to upgrade the barrel anytime either. The ring mounting system (not too different from the Ruger type) is rock solid- so no need to change there either.
That one rifle will likely have all the qualities you already want in a rifle, unless you want to upgrade to a heavier benchrest flat bottom type stock.
Edit: I'm guessing you reload, or will reload sometime in the future? Just thinking that unless you do- your ideas of swapping barrels, triggers, and such wont gain you much improvement at all- especially not enough to justify the investment.
Rednecks... Keeping the woods critter-free since March 2, 1836. (TX Independence Day)
I'm going to use the words "clip" and "Long Colt" every chance I get. It grinds my gears to see new members attacked when we all know dang good and well what's being refered to.