Can't install freebsd inside virtualbox, glacially slow

[Quartz]

> I can't seem to get the 10.1 installer to work under virtualbox,
> everything is so slow it's completely unusable. The dvd image takes
> upwards of a minute to even draw the opening ascii menu, and attempting
> to boot the kernel just sits there forever. If I convert the memstick
> img into a vdi and boot from that, I just get the "spinning slash"
> forever (it doesn't even get to the menu). I've tried the 'set
> vfs.unmapped_buf_allowed=0' trick, tried changing vb's chipset from
> PIIX3 to ICH9, tried changing the number of CPUs and ram and everything,
> but no dice. Anyone have any ideas?

Nevermind, it's fixed. The virtualbox I was using claimed it was still 
the most recent version, but manually checking virtualbox.org revealed 
that this was a lie. Updating mostly fixed the slowness issue (It's 
still not as fast as my other guest OSs, but it's at least it's usable now).