This really isn't an Apple announcement- it's a Verizon announcement. Nothing new on Apple's end- it's not a new product or upgrade. The carrier owns the hype for this.
You are 100 percent correct! This is a Verizon announcement. It will be an IPHONE 4 and it will have the CDMA chip in it...The Iphone 5 will have the combo CDMA\GSM chip in it. LTE next year...but we might be surprised that the LTE Iphone will be the IPhone 5.