Well I used to own a Lycosa and I still have DT35's and stuff. Never had a G15 but I'm sure I wanted one at one point xD. Lycosa was okay... ****ty keyboard but I could use it. DT35s are god-tier keyboards, I don't care what anyone says. But yeah I know what you're saying. I used to do that too 
I've used a DT35. It's awful for all situations, it really is. I say that as a former semi-competitive (pro-level organized players, similar rules, but not for cash) - FPSes mostly. It was just.. so awful. The reason people use the DT35 is, point blank, the fact that it's lightweight, tournament legal, and
cheap. And did I mention it's cheap? And everyone fanboi'd over it because the professionals were using them. Truth be told, had they used Focus FK-2001's instead, we'd have a legion screaming about how great the bad knockoff XMs are.
For the record, I used to compete with, drumroll please, an Alps Complicated White and a Model M. Now granted, wasn't pure twitch stuff, but still - the difference between 80cN and 35cN is still well within latency tolerances - by over a dozen milliseconds. At 13 milliseconds to the server. It just comes down to personal preference and budget.
Plus, any more, tournaments have outright banned programmable/macro keyboards of any flavor. Because people insist on using them to cheat. That's part of why the professional FPS mice are back to 2-5 buttons. Too much risk of stuff like the Roccat Ryos and WoW Legendary where I can pretty much map a huge chain to a single button, hook it up to the spec rig, and macro my heart out. Despite not having the 'drivers.' Because it's in firmware. (That's why the Steelseries 6Gv2 / 7G is such a 'simple' keyboard, too, and why the layout is common with the Tt Meka G1 in that LWin is replaced by the Fn layer. No need for windows key lockout that way.)
