I need VPS hosting for $25 a month--Ravencore/cpanel/any control panel basically will work for me and will allow me to host like 4-8 proxy sites
If you want your proxy sites to run smoothly then opt for dedicated hosting. You can check our dedicated plans at http://www.webhosting.uk.com/dedicated.php
I would also suggest go for a dedicated. A VPS at that price range is going to be overloaded almost immediatelly if you have some serious trafic. And VPS are not the best solution when it comes to proxy hosting
Within the budget you have specified you might get a low specifications VPS which won't be able to run 4-8 proxies at a time. To host 4-8 proxy sites on a single VPS, you would atleast need a high end VPS to get started if the traffic is low initially and then move on to a dedicated server.