MINYANVILLE ORIGINAL Five o’clock p.m. on Thursday December 20 will be a big moment for Research In Motion (NASDAQ:RIMM). The company's upcoming conference call is set to permit analysts to pick apart earnings reported then and management’s commentary on that subject and future strategies. Additionally the company plans to unveil a highly anticipated new product (or products) at the end of January.   I’m fairly inclined to agree largely with Forbes’ Eric Savitz’s take published December 14 in which Savitz highlights William Blair analyst Anil Doradla’s warning that the BlackBerry smartphone maker could “deliver investors a pre-holiday lump of ...