I think it could be a really good idea. You're looking at a player who will probably have 2 more years left at top level and has proved himself on every possible level. He's a natural winner and is willing to work his ass off to win the CL. It's very usual in the NHL (ice hockey) that teams trade some dinosaur to their team just to get that extra piece of leadership and will to win (if the player is without medals in his career). As someone already pointed out, Ibra is a really good team player. Yes, he will demand a lot of attention in a squad, and that's because he's a special player. It's nothing unusual and almost all stars like Messi, Rooney, Vieri behave the same way. It's the guys who don't deliver that I have a problem with.
Most of his problems are related to contracts. Ibra and the people around him have always tried to find creative ways to get out of a contract. The thing in France could be a way of saying goodbye again. I believe the Milan-PSG deal was worth around £24m, so today it couldn't be much more than £20m to bring him in. It's the wages that huge, but we are a big club and will always pay huge wages. Having 3-4 players among the 20 best paid in the world should be nothing out of the ordinary. As Falcao is leaving there should be plenty of room to take in a new star. RVP might question his future as well.
And PLEASE, footballers are not something you always have to invest in with a 10 years horizon. It's FINE to bring in a player for 2 years!! fecking hell, 2 years is a life time in football and I rather have someone with huge potential to win us stuff than invest in another Bellion, Hernandez, Nani, Anderson etc. Just for an example of how many players were with us and played games 2 years ago!!!!
Evra, Rio, Anderson, Giggs, Hernandez, Vidic, Welbeck, Fabio, Cleverley, Fletcher, Kagawa, Macheda, Buttner, Zaha, Powell, Bebe.
So things can change rather quick.