Hey, stokast!! Really appreciate that WP REview Site referral! Best & closest to my need so far... thanks!
Have you tried this for disabling comments @ http://wordpress.org/extend/plugins/disable-comments/ I used it before to disable comment site wide which worked well, and it says it can disable for post types, but I never tried that feature.
If you can manage disabling comments on an individual page... wordpress allows you to do that through the "quick edit" of a post... I haven't found where I can enable/disable comments anywhere else in the admin though.
Outside of that this plugin @ http://wordpress.org/extend/plugins/duplicate-post/ I use to create a template style for a post type I am using, then when I am ready to create a similar post I duplicate (new draft/clone) the previous one and just replace the contents as needed. It copies all of the settings, etc. of the post/page it duplicates. So in short if I have a category of posts that aren't using comments, I create that template for it, then duplicate when making a similiar post and the comments disable feature is already implemented.
But neither of those 2 ideas allows you to use livefyre and wordpress comments, because as far as I know livefyre replaces the default wordpress commenting system.
I was hoping to find a way to use livefyre through shortcode so I can display the comments where I want them to be, that's what I am looking for, which is a different from your request. I must of clicked on the wrong post, read and then started typing. Sorry about that, hope something I gave you helps! And no insult to your wp experience, I'm still a very new... Let me now. Thanks.