We used MidPoint at our office for a while, works really well. Just install it on any machine with a connection and it works like a proxy.
You can download an eval at
http://www.midcore.com/We installed NT SBS and put in a dedicated connection so we didn't need it anymore.
Roi
'MCP' Visual FoxPro
In Rome, there was a poem.
About a dog, who found two bone.
He lick the one, he lick the other.
He went pyscho, he drop dead!