During the 2000s, acts have included 311, Bob Dylan, Deftones, Incubus, Killswitch Engage, Slipknot, Pantera, Mudvayne, Hatebreed, Taproot, Seether, Papa Roach, Disturbed, Kittie, Fear Factory, Slaves On Dope, Boy Hits Car, Staind, 50 Cent, Tiesto, The Gaslight Anthem, Bouncing Souls, Face to Face, Thrice, Furthur, Jimmy Eat World, The Starting Line, and Dream Theater. By this time, Convention Hall had neither heating nor air conditioning. At the Hall there were 4 Ford 6cyl engines that ran on natural gas to run the A/C and the Paramount had 40 hp Allis Electric motors to run theirs.