One of the wheels I am looking at comes in a 10.5 +22. I happened to have a set of 25mm spacers which would put my stock wheels right where the perspective wheels would be. I took a few photos of how it went. This is on my cars "bad side" it has about -.7 to -.9 degrees of camber depending on the shops rack, but none the less it sucks. From what I saw, I think the the 10.5 +22 will be able to fit no problem once camber is in the -2.5 to -3 range. Other members in this section are running wider with r compounds so I don't think hitting the max wheel and tire allowance will be an issue.
None the less, my plan is to get the suspension sorted and wait until the following season or mid season to replace the wheels. There is always the chance that more options will become available the longer I wait.