came accros this..
http://www.hkv.net/zeus.html
I've never tried it.. so can't tell you if its any good or not... but theres a demo available from their website..
it claims:
Multiple-proxy support Bulk Overture Checker
* Control the number of threads and proxies!
* Ability to choose and select high-anonymous, low-anonymous, or transparent proxies!
* Ping time on all proxies for us to choose the fastest proxies to scan!
* Automatically get proxies from 2 website sources with 1 click of a button!
* Automatically checks the proxies, and use only the working ones!
* Proxies are hourly updated from the source, gauranteed what you use are fresh working proxies!
* Users may choose an individual overture server (16 countries total) to scan, or even select all different overture servers to scan at once!
* Save and load settings. Save all your settings and use them again next time!
* Ability to import our own proxies .txt file to add to the list!
* Import/Export all domain results from overture servers!
* Show/hide domains with "0" overture results!
* On-going status report on what domain is being checked!
* Select all, copy, paste, delete single/multiple results!
* Complete program installer/uninstaller!
* Recheck results!