Windows and Linux usb boot

Does anyone know of a way to set up a usb drive that is capable of booting both Linux Live Cds and Windows install disks? Having this would be an absolute godsend!

I have looked into syslinux and grub4dos without any avail but are there other tools that could be used?


Thanks for everything!
(if this is in the wrong section feel free to move it)

have you tried using syslinux with memdisk? It basically loads the entire iso into memory and then runs it =) I dont know how or if this would work with windows disks, but it does work for various .iso OS's I have and usb flash =)