This obsessing over a possible location for a new stadium is no doubt entertaining for some, but exceptionally premature. There will be no stadium to locate without sound financing, and there is no way that HRM or Nova Scotia will be footing the entire bill for this facility. Without significant private investment it will not happen, and that's going to mean a lot more than just a few hundred thousand bucks for naming rights. I believe that CFL commissioner Mark Cohon is right that a development partnership such as Ottawa has entered into holds the most promise, combining the sports facility with other commercial and residential development. Presumably this is the message he will bring to his Halifax business audience today. Good luck to him; certainly if any risk-averse Halifax business leaders are interested in attaching their reputations to this project they've kept it close to their chests until now.
The Ottawa project has the city committing about half the projected $300 million cost to build a 24,000 seat stadium and parkland, while Ottawa Sports and Entertainment Group is building a couple of residential towers, commercial space and theatres. The two sides are splitting the cost of underground parking. CFL and NASL franchises are in place for the stadium's projected fall 2014 opening.
http://ottawa.ca/en/city-hall/planning-and-development/what-we-are-building
HRM could proceed with a call for proposals from developers similar to the approach that started the ball rolling on Nova Centre. But it seems certain that a public/private partnership like this would demand a lot more space than would be available on the Commons, or most anywhere on the peninsula. By virtually any standard Shannon is the most central location of sufficient size, assuming agreement can be reached with Canada Lands.
And having lived in both cities I can assure you Dartmo-phobes that Shannon Park (7 km to city centre) is no Kanata (28 km).