francois: 4 and 9

waffy: Number 2 and 3

give-me-die: 2 , 7 , 8

mhie19: Number 7 and 2

kaos: i chose 2, 3, 7, and 8. very great updates

rubbishop: Only one? Why not implement several at once?
If only one, then I vote for 6.
If multiples are allowed, then 3, 4, 5, 6, 8. I don't support 7 for reasons... I'm not a credit buyer myself, but..