You can order from Tower Hobbies and choose 2-day shipping method. Order today and you'll have your stuff this week.
If you are doing it because you're only home on Saturdays, you can ask the courier to hold the items for you so that you can pick them up.
Ups Ground and Fedex Ground does not do sat deliveries. But Fed-Ex ground HOME does do sat deliveries. Not many businesses use the Fed-ex home delivery service so you're outta luck there.