Saturday Night Training : ospf

I'm still learning for my ccie r&s exam, this night i learn (or re-learn) ospf (advanced ospf concepts).
-nbma
-point to point
-point to multipoint
-point to multipoint non broadcast
-broadcast
-virtual links
-route tag
-advanced redistribution with ospf as a core igp

i'm doing all my lab using my old laptop an asus x70l with 2gb of ram and 160gb hard drive and gns3