Check this out, its a project that Appleman5487 and MrAjsTech have been working on. It is pretty much iReb for the mac. Video below.
This works on the iPhone, iPod Touch, iPad,
This also fixes errors on restore, jailbreak issues, and update errors!
Reb00t Me is a project that Appleman5487 and MrAjsTech have been working on. This is the 1.1 release. Soon to come is the 2.0 update which allows much more functionality for the basic users. No luck yet on windows version yet but we will eventually get there!
Here is the link: http://ios4life.com/development/reb00t-mee/