Welcome and congrats!!
It's best to look around at some of the threads here and post a picture of what you like. And also, ask here about things you don't understand. It's good to learn the lingo and how things work, then it's much easier to buy the correct items. Nothing is more frustrating than getting a new tank and finding it's not going to fit the battery. Some tanks have a learning curve and you have to learn how to rebuild them.
Another concern is how much do you want to spend? Before you buy the ultimate vaporizer with the best tank ever, you'll need to think about getting back up equipment, including another charger and extra consumables.
While it seems overwhelming, just keep reading and researching, it doesn't take long to catch on. And don't be afraid to ask questions even if you think it's stupid. We all were in the same boat at one time. People here are very helpful.