Hmmm it has become relatively easy to do a 100% OC.
I've done it 4 times in the past 3 weeks on different chips.

E2140 @ 3208 MHZ (100,5%)

E2160 @ 3717 MHZ (106,5%)

E4400 @ 4060 MHZ (103%)

E4500@4400MHZ @1.85V (100%)

Still a nice list