B-Line for PvP. Although Mitternacht is comparable, if you don't have a B-Line yet - I levelled up my Warlock from 10 to 20 almost exclusively in Crucible, and that green, uncommon Mitternacht went clackclackclackclackclack, and they were dead. By comparison, I find both the Saterienne Rapier and Gheleon's Demise a let-down: the trade-off on RoF to Impact isn't a good one, imho: I can fire more rounds faster at a target, and even if I miss some of them, still kill them faster than I can using the Saterienne or Gheleon. The Mitternacht is like the working class version of the bougie B-Line Trauma, but it gets the job done, even without all the fancy perks. I'll probably switch to a B-Line Trauma when I can afford to buy one, but until then, it's the one scout I go back to with my Warlock, when I'm not doing so well with other weapons in Crucible. I have a B-Line on my Titan and it definitely out-shoots my other scout rifles, although I need to be caffeinated to pull that trigger fast enough, that I wish there was a full auto version of it just to save my poor trigger finger. I'm sorry to say I missed out on buying the Mida the other week from Xur, though, because I'm becoming a big fan of fast RoF scouts.