To go a little further with Khavall's suggestion, you could also specify a table for each [li] item and specify widths for each [td] tag directly, to keep the spacing consistent between each row. Just a suggestion, though.
Sign Up for the Jonathan Coulton Mailing List!
We'll send you four free tracks to start,
we'll never give your address to others,
and we'll make sure you know about the latest
news and upcoming concerts.