First show: Angel Witch - Chatham Town Hall 1980

Fav shows is probably a very long list but I'll pick a few highlights for a variety of reasons.

Iron Maiden + Praying Mantis + Neal Kay Roadshow - Central Hall Chatham
Jimmy Barnes - Freight Train Heart Tour - Brixton Academy (Neal Schon guesting)
Journey + Fabulous Thunderbirds - NY State Fair Syracuse
Rick Springfield - Hammersmith Tao Tour
Rick Springfield - NY State Fair (two shows the first of which ended early due to a massive electrical storm)
Journey + Def Leppard - Orlando
White Lion - Marquee
Tesla - Marquee
Mr.Big + Stage Dolls - Marquee
Toto - Seventh One Tour - Hammersmith
Twisted Sister - Marquee
John Waite - Marquee (No Brakes Tour)
REO Speedwagon - Hammersmith (John Entwhistle and Brian May guesting)
Reading Festivals (early 80s) - Thin Lizzy, Little Steven, Y&T, Blackfoot and many, many more.
Ultravox - Hammersmith
Gun - Red Lion Gravesend (Better Days was in the chart and the band were playing a pub)
Judas Priest - Screaming for Vengeance tour Hammersmith.
B.O.C + Aldo Nova - Hammersmith
Bryan Adams + Strangeways Into The Fire tour Brighton
Huey Lewis - Sports Tour Dominion
Huey Lewis + Bruce Hornsby - Hammersmith
Amigo The Devil - Hoxton Hall, London
The Crooked Brothers - Green Note, Camden

+ loads more.