Which skills are worh raising really high?

[Farmer]

Originally Posted by kirbwarrior

But I've definitely seen situations where the player thinks they need to take a shot and the GM says "Okay, -25 from all these things." and the player rolls because sometimes you need a one in a million with your 28 skill.

Well, it's always a 1 in 216 unless the GM simply rules it impossible.

So long as it's fun, it's good, and certainly RPGs and GURPS support utterly cinematic and unrealistic action - nothing wrong with it :-).