A friend of mine that is new to 40K came up with his own 2000 point army list, and wants opinions. Just a basic outline. His main opponents will be orks, Infantry imperial guard, tyranids, Infantry tau, and Lost and the Damned.
HQ: Tooled up commander with jumpack, twin lighning claws
Tooled up librarian with (can't remember psychic powers, but they are the ones that add D3 attacks, and the one that you draw a line to a table edge and hit every enemy in the way)
Elites: Venerable Dreadnought with assault cannon, CCW, extra armor, and smoke launchers
Two seven-man Devastator squads with 4 heavy bolters.
Troops: Two five-man squads with lascannons
Fast attack: Three units of two landspeeders with assualtcannons and heavy bolters.
Heavy support: Two seven-man Devastator squads with 4 heavy bolters
Whirlwind with castalian misiles.