Dolphin Build 3.0-584 through 3.0-601 don't work for MAC

[Daibouzu]

Quick question off topic for anyone that might know.

I'm buying a new Macbook Pro 17" later this week.
It's a 2.5 quad-core / 7200RPM Hard drive
GPU Radeon AMD HD 6770M / Intel 3000

Does Dolphin utilize quad-core systems the full potential yet?
I've researched it, and all I find are year old posts about Dolphin not fully utilizing quad-core power.
Do the new revisions address quad-core now?

I'm hoping to be able to run Dolphin for Wii and Gamecube game at least almost full speed now.
That or I'll finally boot-camp the new computer and put Windows 7 in.
Thoughts or recommendations?
Thanks~