|You have to cheat it to install it with 500 even. |
I'd say don't bother. If your ram is that low the rest of the system stinks and won't run Vista anyway.
Just use xp until you get a new computer. It may help to reload the xp from OEM disks. It may speed it up enough to use it a few more years.
1/3 of highway deaths are caused by drunks. The rest are by people who can't drive any better than a drunk.