Not really metal, but still awesome none the less. Just found out about these guys awhile back. Pretty awesome 70's classic, prog rock. Sometimes the singers vocals take some getting used too, but the guitar and bass are damned good.
The intro to "The king will come" is fucking awesome as can be. The two albums I have from them so far (and what I hear is the best from them):
[VIDEO]http://www.amazon.com/Argus-Wishbone-Ash/dp/B000062X90/ref=sr_1_1?ie=UTF8&s=music&qid=1224382200&sr=1-1]Amazon.com: Argus: Wishbone Ash: Music[/VIDEO]
[VIDEO]http://www.amazon.com/Pilgrimage-Wishbone-Ash/dp/B000025NU4/ref=pd_sim_m_2]Amazon.com: Pilgrimage: Wishbone Ash: Music[/VIDEO]