Hi
I have designed a few sites now, my most recent being:
WS Fireplace : Edinburgh Fireplace Fitters
I love Webplus. And my clients seem to be happy. X4 does have a CMS function in it, I have not yet tried it, but need to look into it. Hope you enjoy Webplus. If i were you, i'd get onto the serif forums, they have lotsa ppl on there that help with any questions you have with Webplus.
Cheers
Martin