I have a BB for two reasons and two reasons only -- one, because my employer "strongly recommended" I get one; and two, so that I can minimize the number of devices I carry around. Using your logic, I should carry a BB for email, a separate phone for calls, a PDA for my PIM needs, a GPS device for navigation, and if I want to listen to some music or take some pictures, I should also carry an iPod and a camera as well. Yes, if I carried a separate device for each one of those needs, I'd get better performance out of each, but I'd also need a backpack to carry the SIX SEPARATE DEVICES. As it is, I carry one -- one small one that fits in my pocket and performs each task admirably well. That's a tradeoff I'm willing to make.

--Mav

P.S. In the interest of full disclosure, I actually do have a digital camera to serve that need since cell phone cameras are universally crap (and I have an 8800, so I don't have a phone camera at all), but each of my other needs is more than adequately met by my nice, small 8800 package.

P.P.S. Seriously, give TeleNav 5.1 a try and then come back and tell me that it's worth carrying a standalone GPS device. It does virtually everything a standalone GPS device does and does it very well; in addition, it integrates perfectly with the PIM elements of the BB so I never have to type an address. That's an element that a standalone device simply cannot replicate.