I just want a USB drive with an ISO folder- drop .iso files and if you boot off the USB, you get a menu to choose one of the ISOs. Bonus if it does UEFI and BIOS. Ideally, it doesn't require Windows ...

I was wondering if it would be possible to take a USB drive and repartition it so it has multiple bootable images on it? So for example a bootable partition for installing Win7 32bit and another for ...