The only exception is white balance. I usually just leave the camera on "auto" and fix it in post processing when necessary, since there is no downside to doing that with WB.You can change that anyway you want in post without any damage or lost picture info as long as you shoot RAW.
Scott...
Well, it certainly wouldn't hurt to start w/ RAW+JPEG and just not touch the RAW files until later. The only downside to that is storage related -- well, that and you'd hit the camera's internal buffer limit sooner, if you do machine-gun some shots. But you'd run into that sooner or later...
Ron, Even after you switch to using RAW, you can always shoot RAW+JPEG so you don't always need to do RAW conversion (and just save that for more critical stuff, etc). I still use the old Nikon Capture for my D200 RAW files and just import the files into Photoshop as I find need. Yeah...
BTW, now that the camera purchase is settled, when are we gonna debate over camera bags? For once, bags are not just the domain of the wives and GFs. _Man_
LOL. I started writing this big long post before I saw that Ron made his decision and bought a camera kit. RE: Scott's suggestion on a 2nd battery, yeah, all the official brand batteries are pricey. I also use an OEM spare I bought for much less from Sterlingtek for my Nikon D200 years...
BTW, isn't the D300s replacement due yet? I'd love to do what John did and pick up a discontinued D300s for $600. Actually, if Nikon were to follow their previous trend, they would probably put out a D90s w/ minimal changes and a more substantial D300s replacement to inherit some of the...