I dun think the Sheva-Gila pair would fail. If you pay attention to Milan games, when partnered with Crespo/Tomasson, Sheva usually spend most of his time outside the box, lingering on both flanks like a second striker. Should Gila join, he'd been a great centre-forward.
I must admit Ibra-Sheva sounds more promising though, the twin towers should work perfectly balance with Gila finishes the business and Ibra dancing behind him.
