I and my wife 40 yrs old wants to go on europe tour ?? Which is better, conducted or independent , we are veg

I and my wife 40 yrs old wants to go on europe tour ?? what problems are there in conducted and independent tours , we are pure veg and from India . Which is much better ?? vWe have 10-12 days to spend , which cities of Euorpe we should spent more time ?? .....Awaiting reply soon as we have to go in Ist week oj July 2008 ...Any experiance please share with me ....thanks a lot ....Rahul