Attached is a depiction of a proposed, fusion-powered spacecraft, from the latest presentation to the Future In-Space Operations (FISO) study group is now posted in the FISO Working Group Presentations Archive. Both slides (pdf) and audio (mp3) are available for the talk, 90 Day Single Launch to Mars: A Case Study for The Fusion Driven Rocket, Anthony Pancotti, MSNW LLC. – September 25, 2013.
This short description came from Clark Lindsey. His post includes additional links and a few more of the slides from the presentation.