Well, for starters, if you like the Caithe borders so much on the Masque skin, but rather have a rounded effect, this particular masque skin has a rounded design, while still has that color of Caithe. I would recommend it instead, since it's probably going to be what you want - since you keep wanting to go back to Caithe but want a rounded style:
http://www.wowinterface.com/download...ueTrinity.html