I would suggest, since most HTTPS sites are friendly enough, allowing any HTTPS connection to be a direct-connection to the site using the allow_direct parameter (or something like that, I cant remember what EXACTLY it is called in the squid.conf).
Kubuntu 7.10 64-bit
3.0ghz AMD2 64-bit 6000+
2GB DDR2
160GB SATA
nVidia GeForce 7300
