An application like CDBurnerXP deserves to have a portable version so as their users can enjoy it benefits from any pc, running it directly from the USB unit without the need of install it.
CDBurnerXP Portable offers the same benefits as the original version. Apart from burning CD and DVD, it allows the creation of ISO images and audio CD in WAV format, extract and converts CD tracks to MP3, Wav and WMA.
If you have a USB portable device and you want to have this burner with you all the time, then CDBurnerXP Portable is the best option for you.