GMATCHPOINT Senior | Next Rank: 100 Posts View User Profile Posts: 51 Joined: Wed Oct 08, 2008 12:50 pm OG11 and/or OG10?!? by GMATCHPOINT » Mon Nov 10, 2008 8:48 am Once I am done with OG11, does it make sense to buy OG10 (used maybe)? Is there any major difference btwn them? Top Quote