radical suggestion for fc4 release

[seth vidal]

> I did some checks comparing gzip vs. bzip on metadata repositories
> sometime last year. IIRC, I posted the results to this list.
> 
> The result was not as eye-striking as one might expect.

I remember those benchmarks - and on slower machines the difference is
HUGE.

45s difference on a slower machine, iirc.

I may not be remembering correctly, though.

-sv