Streetlight Manifesto are great. Their remake of Keasby Nights wasn't all I was hoping for but good nonetheless.
Catch 22 Have a great sound.
Love Big D And The Kids Table (My Girlfriend's on Drugs - Kick Ass)
Mustard Plug
Reel Big Fish (Of Course)
So many others...Could go on for a long time...
Ska rocks my Socks...