Whatever is on sale at the local electronics store. If you won't be burning a lot of stuff there's no reason to spend more than $30. There are only a few drive mechanisms out there, so you are paying for the difference in the case. I'd get this:
https://www.amazon.com/LG-Electroni...TF8&qid=1498111757&sr=1-4&keywords=dvd+burner
If you want to get into bluray playing you still don't need to spend more than a hundred bucks, but you'd need to buy the software to make playback work in OS X or windows.
https://www.amazon.com/Pioneer-Elec...8&qid=1498111880&sr=1-2&keywords=bluray+drive
If you expect to have a high volume of discs, i'd get something that uses a more robust desktop mechanism like this: https://www.amazon.com/LG-GE24NU40-...F8&qid=1498111757&sr=1-23&keywords=dvd+burner
Any BluRay drive can rip a standard disc.