You could use my Custom Profiles MOD, which is in beta right now. I don't have usergroup support in it yet, but you can still set the permissions individually. (I don't know if it's compatible with 2.0.5; it's a good idea to upgrade anyway for security reasons.)
"You can only find the truth with logic if you have already found the truth without it."
Custom Profiles MOD
: add and manage profile fields