URL rewriting: "+" or "%20"

Which one do you feel is better in a url?

[jtoddv]

We are having rewriting done on URLs... the problem is the developement company gave us an ultimatum of using either the plus sign (+) or url encoded space (%20) as the two options for taking the place of spaces.

We have already recommended going with "-" or "_", but we are stuck with the two previous options... which is the better route to go, "+" or "%20", or doesn't it matter?

Thanks,
jtoddv

[txbakers]

i like %20, but both will work.

[jtoddv]

Thank you txbakers!

[moltar]

I prefer pluses, because it's easier to read the URL string that way.