Welcome to SRP. Check out the vendors, Straight Razor Designs, Vintage Blades and Classic Shaving. They all offer shave ready razors. Straight Razor Designs is offering 10% off as well as free honing for as long as you own the razor for the rest of this month and I think next month. You may as well buy a razor and strop set while you're at it.

Once you have those see how you like shaving with a straight and read the SRP Wiki tutorials as you become more advanced and need more info and then you'll be better able to decide what you do need and what you don't.