Every number counts
Everything you do, even in training, is based on your number. There's nothing you can do about your number, but in a class of 24 (like Dec's) that can make the difference in being able to get the reserve line you want or having to take the last one left, immediately upon hitting the line. Yes, most new hires go into the back of the 727 but you never know, as NightFlyer mentioned.
Fedex: You will get a $300 uniform allowance during the first year and part of the basic indoc week is a trip over to the uniform store. You get $150 per year after that. I would wait because they are pretty particular about the uniform items coming from the approved vendors. Luggage is not part of the deal on uniforms however.