Here's my video and text analysis of the new v-moda Verza DAC (computer and i-device both) and headphone amp:
http://www.hifiheadphones.co.uk/forum/headphone-reviews/3509-v-moda-vamp-verza-dac-amp-review.html
http://www.hifiheadphones.co.uk/forum/headphone-reviews/3509-v-moda-vamp-verza-dac-amp-review.html