Hmmm, I'm half considering re-spraying my alloys on my truck so that they are satin black or possibly even matt black!
If YOU like or want white wheels go for it mate. Same goes for the bullbars etc.
Personally if you've got a white truck I'd say tint the windows as dark as you legally can (black not a grey tint) and make sure all relevant trim bits are black on the outside... you need SOMETHING to offset the white... so that way you have about 40% which is black on the outside which offsets the huge amount of white there.....
You could do your wheels white but have some differences in the way they are painted so they don't look JUST white... perhaps some coloured centre caps or something?
Good luck making up your mind. But remember it's your car, do with it what YOU WANT TO DO, not what we tell you you should do!
Cheers,
Si