At my school, you really don't need dress clothes until 3/4 year. I'm not talking casual nice, I'm talking office wear. No dress code or anything.
So, If I were entering 1st year next year (which I am assuming the OP is doing), knowing what I know now, I would ask for:
1. Coffee machine (if you don't have one). Starbucks and local shops are nice every now and then, but it adds up, especially if you're on a tight budget.
2. Gloves, nitrile, in your size, probably 3-4 boxes.
3. Scrubs for anatomy lab (we were provided w/ white coats for lab and I never use mine).
4. Laptop. I have a tablet PC and use it for notes, but at the very least, you need a good laptop. And if you're parents spoil you - bonus!
5. Ipod/mp3 player. You probably have this, but if not, it's a good thing to have, esp. during study, cadaver dissection, working out, etc.
6. Binders, section inserts, paper for when you take notes by hand and to place your printouts. 3-hole punch, stapler, GOOD pens/pencils, paper clips, and those big clips that hold packets together (good for sectioning off where you are in your semester notes).
7. Dissection tools: blunt-nosed probe, rat-tooth tongs, skin tongs, scissors, etc. You can buy a dissection kit for 30 bucks or so with all the necessities.
8. A good-sized insulated lunch bag. There are days I spend 12+ hours on campus and I don't have the cash to eat out all the time.
9. Get cozy blankets and pillows for your bed. You'll thank me after a long night of dissecting.
Do NOT worry about textbooks. You will likely not use many of them, and your school's med library will have copies of them and older editions (with the same info) you can check out.
Do NOT worry about recording your lectures. You likely won't have time to replay and listen to every recorded lecture.
That's all I've got for now.