Q4wine is an Qt4 (http://www.qtsoftware.com/) GUI for wine (http://winehq.org/).
It will help you to manage wine prefixes and installed applications.

General features:
 - Exports QT color theme into wine colors settings
 - Works with different wine versions at same time
 - Creates, deletes and manages prefixes (WINEPREFIX)
 - Easy controlling wine process
 - Autostart icons support
 - Easy CD image usage
 - Supports extraction of icons from PE files (.exe, .dll)
 - Easy backup and restore for managed prefixes
 - Winetricks support
 - More

WWW: http://q4wine.brezblock.org.ua/