Hello and welcome to Amiga.org James2002, it's always fun to get new members that got attracted to Amiga without Amiga background!
When you get a classic you can post all your problems here and we will help as much as we can 
You have any thought on what system you want and what you want to do with it? Got any specific OS version you want to run?
Neverless, again welcome to amiga.org!
I not figured it out. There are a lot of options. Just simple stuff. It don’t have to game.
I do know I have a floppy drive, Ide hard-drive and Ide dvd burner. Maybe one option is to build Amiga computer. Wait on the new motherboard that coming out from A-EON company
. I have to weigh the options. I do have a friend that does aluminium welding. I could have a custom case for it. If I buy the aluminium, he weld it together for me. I know I can get some parts to make on/off and reset buttons. Buy Amiga os 4.1 or is it 4.2?