some 910s were CG, i have had 3 myself, i like them better than the std 910, why?, just because they are different.
EKIs have incorrect blade geometry?? and the tips are fragile?? must disagree with both of those statements, i have heard a lot of folks knock EKIs but thats a new one, do ya mean because they are left hand grinds?? i have had lots of right hand CGs and they cut no better/no worse than the left hand CGs, for the intended use it makes no diff at all. as far as fragility of tips, havent ever heard that 1 FWIW and have no knowledge of any problems in that area, at all.
between the 910 and the CQC7, i would take the '7 myself, would much prefer a EKI SOCFK to either though, specwar handle/CQC7 blade and waved. the 910 is ok though, i have always kinda liked them myself. only the CG ones though, the "V" grind ones i just dont like the looks of, they work fine though. if ya want a "V" grind tanto look at the spyderco lum folder, much superior to the stryker imho.