Hello jeff,
Answers for you questions.
- You can use Dynamic Widgets for different widgets on different pages.
- Yes we have child theme for rtPanel you can download it from here.
- rtPanel supported following plugins:
* bbPress - http://wordpress.org/plugins/bbpress/
* BuddyPress - http://wordpress.org/plugins/buddypress/
* Contact Form 7 - http://wordpress.org/plugins/contact-form-7/
* Gravity Forms - http://www.gravityforms.com/
* Jetpack by WordPress.com - http://wordpress.org/plugins/jetpack/
* Ninja Forms - http://wordpress.org/plugins/ninja-forms/
* Regenerate Thumbnails - http://wordpress.org/plugins/regenerate-thumbnails/
* rtMedia - http://wordpress.org/plugins/buddypress-media/
* rtPanel Hooks Editor - http://wordpress.org/plugins/rtpanel-hooks-editor/
* rtSocial - http://wordpress.org/plugins/rtsocial/
* rtWidgets - http://wordpress.org/plugins/rtwidgets/
* Subscribe To Comments Reloaded - http://wordpress.org/plugins/subscribe-to-comments-reloaded/
* WooCommerce - excelling eCommerce - http://wordpress.org/plugins/woocommerce/
* WordPress SEO by Yoast - http://wordpress.org/plugins/wordpress-seo/
* Yet Another Related Posts Plugin (YARPP) - http://wordpress.org/plugins/yet-another-related-posts-plugin/
Feel free to ask further queries.
Thanks