Hi!
(New buyer's paranoia warning)
I recently bought a CM Storm Quickfire Rapid, which is a pretty nice tenkeyless Costar kb, with Cherry MX Blacks. No complaints, except that I kind of wonder whether the Enter key is supposed to feel the way it does. Allow me to illustrate:

If I press down on the green area, it's all peachy. However, I press down on the red area and not straight down, it's not smooth, it feels like there's friction.
Now, I've removed the keycap and compared the switch to the other ones, by pressing down on it with a toothpick from various angles etc. The switch is fine, just like the other ones, as far as I can tell. The stabilizer bar also seems to be in perfect working order, and the keycap doesn't appear defective.
So, I'm wondering if it's just a question of the keycap being quite large, and thus causing an odd angle when pressed down from the left edge (and the force not being parallel with the stabilizer), or something mysterious or a defect.
For the record, my Qpad MK-50 with mx reds has a slightly similar effect.
Any input from ISO layout users?
Thanks!