At last year's Interbike show, Rocky Mountain unveiled their new DH platform - the Flatline. Since that time, the bike has gained quite a following from the gravity crowd and I've even seen an all new Geoff Gulevich signature model frame that will be out in a few months.
Have a look at what Rocky Engineer D'Arcy O'connor and Frorider Wade Simmons have to say about the Flatline inside: