Other than basic functions, a keyboard becomes largely a thing of personal preference. I'm a die-hard Saitek fan/user and in fact have worn off most of my keys on the left side of the keyboard. Still, I found it remarkably easy to switch to the Thermaltake Challenger Pro. I like the idea of the additional macro keys, but I didn't find them that useful for my style of game play. . .
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips