GMAT Strategy

hi guys, i have completed both OG 10 and 11 th edition, i feel almost comfortable with all those problems, Now my question is whether i have to go through "official guide quantitative review and verbal review" , will it benefit me to increase my potential, or it is not going to give me any thing other than OG 10 and 11. please help me giving your suggestions.. Thanks in advance..

If you are fairly comfortable, you can skip initial problems in the supplement and attempt only last set of say 50-70 problems in PS, DS, CR, RC & SC as additional practice.

well here's what i think.
I started off with the the OG 11 and then I did the Official Quantitative Review and the Official Verbal Review. After finishing off the OG 11, when I went onto the Q review and V Review, I was expecting a bit more difficult and more comprehensive problems and explanations in them, just because they are entirely dedicated to individual sections. But I can safely say that if you have done the OG 10 and 11 then I would not suggest spending a whole lot of time on the Q and V reviews, just pick and choose problems from them. Or pick up some other material like Kaplan's, or MGMAT, or Princeton, so as to see the problems from a different angle or a perspective.

Thank you rangerguy2000 and sreak1089 for your kind suggestions, it was really very helpful... gud luck for your prep.