Lembrado,
Simple question = simple answer
Yes they pay per diem, and I reckon probably average 3 or 4 night stops per work cycle (but does vary, especially depending on whether you're an FO or Capt).
blablablafly,
Fleet very simply: CJ,CJ1 & CJ2 with some aircraft on Fractional, Charter, or Privately Owned. XLS's only private I think at this time.
Hope that helps ease the confusion,
Chinchilla.