A few weeks ago I contacted all my MEPs to request the last years worth of expenses claims they had made. Only the Lib Dems actually provided the information requested (although being MEP's in condensed summary form, they have an even laxer expenses than Westminster). The one Labour MEP was completely non responsive, I suspect his position at the top of a PR list means he will always get in without having to win over new voters.
I present the results in handy spreadsheet form. I'm sure more interesting analysis is possible but it is a small data set. Still hasn't helped me decide on my vote tomorrow though :-(