IMO if you want a manager that doesn't spend huge amounts and will get you 4th place, Wenger is your man. If you want a manager who wins and who's primary goal is to win and who will do what it takes to do so, he's not.

Kinda depends which side of the fence you're on, personally I don't get much pleasure from 4th place and CL qualification simply because IMO it's a bit of a farce to have 4 teams from one country in Europe's premier competition and because we don't even have an outside chance of success due to the mentality manager, so I'd take a chance and try something else.