I took Missouri and Kansas in 04 and 05 respectively. Kansas seemed easier but I took it without the multistate component. Missouri was fairly challenging. New York has a rep for being tough, and so does W. VA, if only because from what I hear its three days and you have to wear a full suit when you take it. Not sure if thats true, though.

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1984 300D turbo, 250K
1971 MGBGT, 101K
2007 VW Jetta, 4K