I hope my questions aren't to tiresome!

but I guess that's why
it's a "for beginners" forum
I've been using a weight belt for my confined water dives, but
will be switching to a weight-intergrated BC for O/W this weekend...
will this make much of a difference in anything?
[I should also go ahead and ask now if there is any kind of program available for treating addiction to this sport!! LOL]