For more modern metal:
Pantera - Cowboys From Hell
Pantera - Great Southern Trendkill
Lamb of God - As The Palaces Burn
Metallica - Load
For Glam/Sleaze:
Van Halen - Fair Warning
Racer X - Second Heat
Ozzy - No Rest For The Wicked
Ozzy - No More Tears
For Oldschool Thrash:
Exhorder - The Law(Drums and Vocals, if you like that guitarsound youre retarded! ;D)
Slayer - Reign In Blood [Expanded]
Metallica - And Justice For All
For Alternarock/Thrashballads:
Alter Bridge - One Day Remains
All Metallica and Pantera ballads
Things I take inspiration from no matter what I do:
AC/DC - Back in Black
Strange Fruit(Soundtrack from the movie "Still Crazy")
Spiritual Beggars - Ad Astra
Anything with other instruments than Guitar, bass, drums and vocals:
Dimmu Borgir - In Sorte Diaboli
Dimmu Borgir - Puritanical Euphoric Misanthropia
Random stuff with Jean-Michael Jarre
Everything else is just "wingin' it".