Glad that I've been able to help you out Carol, though you know that you can e-mail myself and any of the others you listed and we'll do our best to help you out.

As far as your Comments section goes, Comment Enhanced will help you out there. There are some othe toys, like upgrading of e-mail and a notifications system that can help you out with your other things. (At least most of them.)

I've found Dolphin to be the most pliable software on the market currently and from what I see there see more really isn't anything else currently or in development (at least not that anyone's talking about) that is as pliable.

As far as D7 goes, I'm on the side that says to develop & utilize D6 for now, take a look at D7 when it's finally stabilized. Not beating on it, but you know what D6 does and it'll get you to where you want to be for now and leave the door open for you to upgrade to in the future.

Good luck with your project.