It finally happened: Verizon now offers the iPhone. A straightforward half-hour press conference featuring execs from Verizon and Apple made it official this morning. The ViPhone is, for all intents and purposes, a clone of the AT&T iPhone 4 with one major exception – as Verizon’s cell network is based on CDMA technology, this iPhone has no SIM card. iPhone fanboys have been clamoring for the device on the Verizon network almost as soon as it was announced in 2007. Now that it’s here, however, you may be better off waiting before taking the plunge. Here’s why.