Expect more venture capital funding for Research In Motion-wannabe Visto, a wireless-email software company any minute now. CEO Brian Bogosian is once again telling any hack who will listen that the company is on an imminent path to an IPO. Bogosian's drummed up over $300 million in funding repeating the same line every couple of months since 2004. Don't expect an actual IPO this time either, a tipster tells us. "That would require some uncomfortable scrutiny," he writes. Here's a rundown of Visto's not-so-virtuous cycle.