Let's consider a possible alternative, that I mentioned, in the Thalmin KotS module thread.
Starting at 8 across the board.
8=0
9=1
10=2
11=3
12=4
13=5
14=6
15=7
16=8
17=9
18=10
Now, the array build.
16,14,13,12,11,10
08,06,05,04,03.02
= 28 point buy.
1 for 1.
The 17 and 18, are the only variable that isn't really known at this point. But I've proven with simple math, 1 for 1 starting at 8 you could use the array build and come out with a 28 point buy character.
It would be well rounded. No major deficiencies.
And the math supports all of this right up to 16. Maybe they make the 17 and 18, more expensive, for whatever reason. Maybe so you don't end up with characters that are.
18,18,16,8,8,8
Who knows. But ultimately we'll find out relatively soon. As it stands, a majorly deficient character isn't a mechanic problem. It's crowd control, maybe they include a rule, that says you can not start off with more than one 18 or 17, before racial enhancements are added. Who knows.
I just liked that my math supported the 1 for 1 up to 16. *grin*