I want to know a couple of things, like every unit's speed, vision range, attack range, etc. and was wondering if there is a list somewhere. I couldn't find one does such a thing even exist?

Not sure if there's a list, but if you have datedit, you can see all this information under units.dat, I think.

Here you go: http://www.staredit.net/starcraft/List_of_units

http://www.staredit.net/files/1831/ DatEdit is a modding tool, but it is useful for looking up unit and weapon stats. It has vision range and attack range, but unfortunately unit speed is a bit more complex so it really only has it for air units and very few ground units (under Flingy in the tabs, and only if "Move Control" is "Flingy.dat Control"). Clicking in a text box will give a little hint with some information about what it does or what the value represents.

EDIT: Ninja'd by Dem0n, and Roy's list seems more immediately helpful. xD

Great! Thanks everyone, this helps a lot.

Sorry, I never finished a "List of Weapons" with the weapon side you were looking for.

I know all the weapon ranges, damage type, and cooldowns by heart, so it was never useful to me.

units like zerglings and goliaths use a really strange move pattern where they move 2 pixels, then 6 pixels, etc... It makes their move speed very jumpy at times. You'll find their patterns (as well as attack sequences) in iscript.bin. Most ground units have a standard ground movespeed of 4 pixels per frame via iscript.bin.