G'day Matt, i use 3 stars to get aligned.
They are: 1] Achernar
2] Alderbaran
3] Becrux, Mimosa
At certain times while aligning, this selection is not an option, maybe to do with time/date.
I can get these most time though, and it gives me decent alignment, depending on how close to polar alignment i was.
Hope this helps.
cheers.