>> No one has attempted to bzip2 packages that
>> might save space.
>
> I remember a long discussion about time/space tradeoffs. bzip2
> uncompression is a lot slower than gzip.
On newer computers (>1 GhZ) I think that the installation time is
more determined by the speed of the I/O system than the speed of the
CPU. bzip might actually help.
I believe that switching would increase the minimum memory requirements
for Anaconda.