These are the best places to get support and/or get you started on your pixel journey.
xLights - the website provides resources to help you understand pixels and how they work. Excellent place to start your journey.
Official xLights Support Group | Facebook - the support group has many people that are available to answer your questions and also provide you with feedback.
Falcon Controllers - you can purchase your falcon pixel controllers here.
Kulp Controllers - you can purchase your kulp pixel controllers here
Kevin Jones @ Beachin Christmas Controllers - Kevin will hook you up with a custom-built pixel controller that fits your needs.
EFL-Designs.com - Home to some of the most innovative coro props