Comp's XE Cams

I have an XE268 and find it a bit noisy, but I don't mind it.
Just a question as I don't have any personal experience with these cams. Is it true that the xe cams are hard on the valve train because of their aggressive ramps? Also I read / heard that the rocker arms are usually noisy. Again, I'm only asking a question here. What brand cams still have good quality? Lunati, Howard's? I thought that I read that comp was having trouble with the lobes wiping out easily but I don't know this for a fact.
I also have the XE268. It is awesome. It has a nice lope to it, and it really gives the HP. The sound from the exhaust is so sweet, I haven't noticed any valvetrain noise. I have 2.25 exhaust system with two low restriction turbo mufflers. It sounds sweet!