Thanks for the replies. Good suggestions but you have raised a couple more questions;
1) What would be a good external hard drive and what size should I get?
2) What would be better Lightroom as dopeytree suggested or Elements?
Dopeytree also mentioned using Pentax Photo Lab, I've never even bothered to download it because it would just be another application taking up space and I haven't heard good things about it. Please correct me if I'm wrong in that assumption. My wife also uses Iphoto for downloading from our P&S's she has a Sony and I have an Optio WP. That's another reason why we don't use Pentax Photolab, the compatibility with the Sony.
I don't have problems with access to our Macbook, I just don't want to hog all the space on it.
Stu, first thanks for the good luck wishes regarding our adoption.
Regarding my relationship with my local Photo Store: First, their customer service is, how can i put this, like Inspector Clouseau's detective skills and secondly when I say "Pentax", they say "Nikon". It's a shame because they are at the bottom of my street but I value my blood pressure. There is a really good camera store near me, staffed by photonuts and filmheads but they don't stock Pentax so although I support them when I can, it's not enough to have a relationship.
I'm going to stock up on SD cards, I need some more anyway, and I'm going to start shooting Raw+Jpeg and just download the jpegs for now until I have done some more research on USB drives and Lightroom vs Elements. Hopefully you wonderful Forum members can give me some more help and advice on that.
What about Aperture, anyone had any experience with that? I could probably get that bundled when I buy my Imac.
Once again, thanks, Gary