You can use any fast acting, be it Humalog
, Novolog, or Apidra.
Now, this may sound like a pump is the best thing since sliced bread. It's not. I think it's more work, there are more things to keep track of because of the basal rates. Some people just don't like having something attached to them 24/7. It is expensive, as every site change will cost you anywhere from $12 to $20 in supplies, and you have to change your site every 2 to 4 days. It's not for everyone.