You’ll also notice below on this dedicated election website that they too have Newt ahead of Santo for the hard delegates.
http://www.thegreenpapers.com/P12/
“Hard” Delegates
Need to Nominate 1,144
(available)1,762
W Romney 302
N Gingrich 96
R Santorum 79
Uncommitted 29
R Paul 16
J Huntsman 2
Total 2,286
http://www.realclearpolitics.com/epolls/2012/president/republican_delegate_count.html
Newt does have the best chance in the comparison you gave.
I see a brokered convention, if this keeps up. GO NEWT!