I've made it! Thank you all for the assistance and advice.
I thought it would be a good idea to post and ask for a list of things that I should probably do now that I'm here. Register for a doctor, etc.
Any thoughts are greatly appreciated.
Welcome to the UK!
Yes, doctor, dentist, bank account, national insurance number.
Start thinking about taking a few driving lessons and getting your UK license, you only have 1 year to drive on your US one and it can take a while to get through the system.
Get names on the bills and turn on paper statements for everything, you'll need a bunch of mail for your next visas.