People tend to be horrified by the word refurbished. It simply means it went back to the factory, and the parts replaced/fixed/corrected! I know this isnt the part in question, just saying! My only concerns would be to make sure there is a return policy in place from the vendor and to check it thoroughly before warranty or return dates expire. Otherwise, it only makes sense that the refurb item offers Less interms of warranty, since they want you to pay more for the new item.
Both new and refurbished items can come away with issues, and both needs patience to solve the issue if arises.
Ken Rockwell also would not go on to explain, if you buy a new item, and you send it to the factory for any inspection, you cannot return the items back to the vendor later if you change your mind, even inside the original return dates! This is because, once it enters the factory database, consider the item registered to you.
Anyways, without going too far off topic, you would do well with either camera, just know which one you need, and know some technicalities in back of your mind!