What Logitech didn't realize with the G910 and G410 is that they do not need to have a unique look, and feature spam in order to stand out from the competition. Logitech has a very strong brand name among gamers, offices, and so on. In fact, Logitech is in a unique position where your Baby Boomer mom and dad has heard of the brand and associates them with high-quality peripherals. This is a position that no other manufacturer of gaming peripherals is even in contention of getting. Logitech will sell a lot of stuff regardless of how feature-bloated their keyboard is. This is not an excuse to pull an Antec however, and to sink into complacency.
What Logitech should've done from the beginning, is emphasize quality and key features in the same way that Das Keyboards does. I feel that the G810 is the keyboard we should have gotten in the first place. I'd go a few steps further (I would actually have just partnered with Das in the same way they partnered with Ultimate Ears) and introduce things like NKRO over USB, USB 3.0 port hubs on the keyboard, removable USB cable, Aluminum premium build, fully programmable buttons, other power features.
Extra focus on the Software, over the fancy GAMERZ features would've been great. For reference, just look Steelseries new Apex M800 keyboard. The software on it is easily the cleanest, easiest to use, and in general just the most intuitive software out there. That's what Logitech should've done. Lead the pack, not follow it. Logitech's 910 just seems like a lame attempt to copy Razer's Black Widow... don't copy and compete in their market, create a new one and overlap theirs. You can have a unique power-user, gamer, professional identity.
For the Logitech line-up it would've also been an easy thing to organize. Same keyboard in two sizes. Full 104Key, Tenkeyless. Bluetooth Full Size. If there's enough demand, you can even introduce a Bluetooth Tenkeyless down the line. Do you want to capture the enterprise market Logitech? Acquire DasKeyboard and market yourself to Businesses as well. Create a mass-market 59.99 Office mechanical keyboard for small offices and use Das as your premium Office product. Under the Logitech name and reputation this should be an easy thing to do.
I feel that Logitech is currently suffering from product bloat, which is actually Corsair is suffering from and something I'm really upset about when I look at their products (I don't know much about their business model and whether it's profitable to keep such a varying portfolio or products). Logitech is not a Behemoth like HP where they can have a product for every market and every price point. I feel Logitech will find much more success with following the Apple model. Having an extremely streamlined range of products that makes sense and charge a Premium for Premium products and quality. After all, if you want cheap crap, you can always stick to crap that Corporations throw in for free with bulk orders. Logitech should market itself to be better than that.