Untarring linux-2.6.14.tar.bz2:

On 10.5, locally:
real	0m24.447s
user	0m13.647s
sys	0m4.395s


On afpfs-ng, to 10.5 server, over parallels:

at least:
real	4m31.275s
user	0m0.000s
sys	0m0.040s

(got about 1/3rd)