If you want to see one of the new Counter-Strike Global Offensive maps called de_lake check out the pics below.
De_lake is the first new map that really shows what the modified Source engine is capable. That combined with the new gameplay modes makes CS:GO one of the most anticipated shooters this year.
This is an older screenshot, but it shows the new HUD
Valve is still running the closed beta test and will open up the public beta sooner or later so all fans can give the brand new CS:GO a try.