Air:
1) Janes AH64D Longbow
2) US Navy Fighters
3) IL2
4) Combat Flight Simulator
Sea:
1) SH3 + GWX3.0
2) SH4 + TMO (might take #1 in a few weeks)
3) Pirates!
Land:
1) Combat Mission: Barbarosa to Berlin / Combat Mission: Afrika Korps
2) Operation Flashpoint
3) Jagged Alliance 2 + mod (forget name)
4) Close Combat 5 + Der Kessel mod