Last week, Canaccord Adams analyst Peter Misek suggested Microsoft had a "standing offer to buy [Research in Motion] at $50."

Microsoft's own mobile efforts, meanwhile, seem to be sputtering with word that Windows Mobile 7 could arrive as late as 2010 and alternative platforms, notably Google's Android, debuting in the G1 phone from T-Mobile next week and reviewed here by my colleague Brier Dudley. Om Malik explains why the Microsoft's mobile effort "is facing its toughest environment yet." He calls Android "Windows Mobile done right."

Back to Cramer. The pundit went on to repudiate Yahoo and a major investor for the handling of Microsoft's acquisition offers: "Shame on Yahoo. Shame on Yahoo for turning down that $30 bid and Bill Miller from Legg Mason who actually endorsed the turn down. Really embarrassing."

Speaking of Yahoo, Silicon Alley Insider continued its pile-on, calling the company's valuation as it dipped below $12 a share yesterday "ridiculous." Henry Blodget has some suggestions to wring billions out of the company: new leadership, mass layoffs, sale of its Asian assets and sell search to Google or Microsoft.

CNET gets in on the act with a list of five things to worry about at Yahoo ahead of the company's Oct. 21 earnings announcement.