WolfAir 737

Hi, im new to this fourm, have no idea where to say "hi" so i am saying hi over here. so yeah i have been watching LTT for a bit, cool channel, really like it. i have a question. im thinking of getting some upgrades OR building a new system, i have questions about it, and im not sure where can i post or make a new topic at. graphics card section is separated from cpu, mobo, and memory section. anyone know where can i do it?