Accurate to what?
I'd like to make a swift martial warrior but I can't because all the characters have tree stumps for legs.
A "par cor" style perk tree would be cool IMO. It could use the old acrobatics and athletics in one skill set.
This is exactly what acrobatics should have become (instead of roadkill), except with a proper perk tree (ie, not Smithing-inspired):
EVERY level of acrobatics marginally increases your jumping height, and the amount of space you can pull yourself up. At various non-standard intervals, you can additional abilities that are intrinsic to the skill, such as the ability to jump from a sprint, or the ability to auto-climb while walking or jogging, or auto-vaulting while sprinting, or the ability to jump before climbing...
Perks would allow crazier stunts, like wall-run, wall-hop, slides, etc.
Thus, someone who merely jumps a lot can get around "quite well". Someone who actually perks it up has a whole bag of tricks that can be used to ambush, evade, or get into areas that are not EASILY accessed otherwise. (In other words, using the raw skill makes you Brink-like, using the perks makes you Mirror's Edge-y)