PC-BSD is "the Ubuntu of BSD" – a preconfigured GUI, a GUI app "store" etc. If you can install OpenBSD, you don't need it.
FreeBSD on the desktop is not a pain!
FreeBSD on the desktop is not a pain!
The correct way to get started with a new OS is to first try it out in a virtual machine. If you find that you enjoy using it, buy compatible hardware and go metal.