Are you sure you'll use 4d6? 3d6 in order is what I usually use when playing S&W...
...in any case, I believe I'll be able to join, but I can't commit posting during weekends. Would the be acceptable?
I like the 'arrange as you like' option to give players more flexibility. There is no real great advantage to high stats in S&W so I don't think it causes any balance issues.
Posting will be from M to F only so no worry about the weekends.