Deals, Deals, and…. more deals as famous guru Super Mario Gabelli would say – what is the news? Polycom Inc (NASDAQ:PLCM) is being bought by Siris Capital and shares are soaring. Mitel Networks Corp (NASDAQ:MITL) is also up – why? Here is what analysts are saying. Polycome PLCM and Mitel MITL news – analysts react BMO Polycom announced that it has ended its merger agreement with Mitel (MITL-NASDAQ; Not Rated) and entered into a new agreement with Siris Capital for $12.50 per share. Our View: We view Siris’ offer of $12.50 per share in cash as superior to Mitel’s offer…