Wow, we shared similar beginnings. I started with a Corsair Strafe with MX reds. Rich is probably right. At first I was weirded out by the longer travel, but I consider MX red to be a bit too light(my sweet spot is in 55- 62 gram). Now I no longer have any linear switches, but I hope I can help!.
MX red is almost the lightest you can get for a mechanical switch keyboard. Chiclet keyboard you get with most computers are probably in the 55-60gram weight. Brown is basically the same weight as reds, but you get a bit more resistance(5-10 grams) on the bump. MX blues are even heavier and it has hysteresis which you don't want on FPS games(I play CSGO a lot back then, tried using blues, never got used to it). It's when the actuation isn't on the same place as the reset. It's a nuisance when you try to press your key just before actuation for a quick reaction(feathering? i don't know the name for this), presses the key and then has to let go of the key all the way to starting position instead of going to the "hovering position" you're at before.
If you still want something lighter, go with Gateron Clears. They are 35 gram, it's crazy light when you use it. I think i won't be able to use it properly for daily typing, but for gaming, it might help reduce the stress the fingers experience from long presses.
I suggest you try putting some O-rings underneath the keys you use to reduce the key travel. Depending on the thickness you can put 1-2 in there. It might soften the transition between chiclet/rubber keyboards you use before to the full-travel mechanical switches. It worked for me back then, I hope this helps!
