Nice throwdown Peter. Like you, these change all the time, but here's an honest attempt at distilling my likes:

The Clash London Calling
Bob Dylan Visions of Johanna
The Kinks 20th Century Man
The Beatles Rain
Stones Gimme Shelter
Blasters Long White Cadillac
Bruce Cockburn Call It Democracy
Cream Deserted Cities of the Heart
Jimi Hendrix Machine Gun
Patti Smith Gone Again
Joe Strummer and the Mescaleros Willesden to Cricklewood
Sinead O'Connor Last Day of Our Acquaintance
Lucinda Williams Right in Time
Lou Reed Romeo Had Juliet
Jeff Beck Shape of Things
Jeff Buckley Lover You Should have Come Over
David Baerwald Stranger
Neil Young Love and Only Love
Antony and the Johnsons Another World
Fred Neil Dolphins
Pretenders Birds of Paradise
Gang of Four I Found That Essence Rare
Fairport Convention Who Knows Where the Time Goes?
Radiohead There There
XTC Senses Working Overtime