Does Tampa's playoff run prove they don't need Stamkos?

Has Steven Stamkos played his final game for the Tampa Bay Lightning? The superstar forward was on the final year of his contract and is now the biggest free agent on the market, or he at least will be when free agency opens on July 1. A player of Stamkos' caliber actually hitting the open market is rather rare, and where he decides to play could change the outlook of the the NHL.