I like that.
I go with 3d6 down the line, but the player can substitute one stat with a 16.
I just rolled some stats:
stats (3d6=12, 3d6=10, 3d6=15, 3d6=10, 3d6=13, 3d6=11)
S 12
D 10
C 15
I 10
W 13
Cha 11
stats (3d6=9, 3d6=7, 3d6=13, 3d6=10, 3d6=13, 3d6=13)
S 9
D 7
C 13
I 10
W 13
Cha 13...