Also be aware that there is no 64bit Stable (3.0.6) version. Only the Beta 3.7.16 versions have a 64bit variant and allow for UEFI booting, and that includes the 32bit version which should just boot on a macbook and is cost free.
Here's someones very recent experience:
The Beta versions are very different beasts compared to Stable with a very different temporary desktop experience.
