I'm after a similar thing. I've never bought a keyboard for more than £15 before but I'm intrigued by mechanical keyboards since I'm a fast typer, plus I have a really nice gaming mouse already so might as well get a nice keyboard to go with it. Out of the Cherry switch types, I think brown would be best. Based on that YouTube video it doesn't seem any louder than my existing dome switch keyboard, plus it's supposedly good for mechanical "beginners".
It'd be used mainly for gaming (FPS mostly). Secondary usage would be coding/general document typing. It'd need to have media keys and ideally a calculator key (failing that, programmable macro keys so I can emulate it).
Based on these criteria and reading lots of reviews, it seems the Corsair K70, Corsair K70 RGB, and Logitech G710+ are the top contenders. The K70 is the cheapest right now but has no macro keys as far as I can tell, which is a deal breaker really (not being able to open calculator and immediately start doing sums with the numpad is crap; my el-cheapo keyboards and even laptop keyboard have this function). The G710+ looks pretty good, although the build quality doesn't look great, and the lack of a good palm rest is annoying. That leaves the K70 RGB, which is much more expensive than the other two and you can only create a macro key by sacrificing one of the standard once. :/
Of course there's also the K95, which is actually cheaper than the K70 RGB and looks fantastic on paper, except for the fact that the backlight LEDs fail constantly (based on reviews I've seen) and RMAing to the Netherlands is expensive.
Any thoughts?