New to SFFPCs?
If you're new to SFFPCs or PC building in general, take a look at this article written by for some answers to your questions, as well as recommendations for some easy cases to start with.
If you're looking for a case or parts to go in your SFFPC, the above spreadsheet maintained by and has data on cases, motherboards, GPUs, CPU coolers, RAM and PSUs.
Set filters to find parts for yourself
In the toolbar of the sheet, go to Data -> Filter views for some quick filters, or select Create new temporary filter view to create a custom one. You can also copy the sheet out into a spreadsheet of your own and make your own notes.
Ask for help here
Once you have an idea of the case or parts you are considering, make a comment in this thread detailing your requirements and what cases or parts you are eyeing so far, and discuss what you like or do not like about them.