well I would certainly go for JPM-Alonso in the case I would have to choose one here.
My absolute dream team would probably be Jacques Villeneuve and JPM. Both drivers are highly talented, have a strong motivation and actually try to overtake people (which is not that evident, looking at Ralf Schumacher for example
). I actually think they would get along quite well, there's no reason for a fuss, as Montoya does fine and Villeneuve has proven a lot already. Both guys come from CART, and finding sponsors that would be interested in a good Canadian and Columbian can't be that hard...