I prefer Urbane or Dickies scrubs. Go to a scrubs store and try on as many as possible. You'll figure out which ones you like or not. Some of the scrubs are like sandpaper they are so rough. I like the softer ones and usually wear a tshirt underneath. Get some with either pants pockets or two pockets on the top. I usually keep my personal stuff in one pocket (cell, to do list etc.) and keep the other pocket for work stuff (floor keys, pen, spectra phone, etc).
I try to buy mine during the tax free weekend in August. Most scrub stores run a sale along with no tax. Last year I was able to save quite a bit for two sets of scrubs.