Might I suggest you try here?
http://smashboards.com/ff/I've been using it and it's ideal for finding SSBB 1v1s immediately and with people near enough to you that you'll get minimal lag.
Since most of the people on NWR live across the continent from me (I'm in NH and I get lag to NY, even
), I only get practice matches from the friend finder. I'll still play with NWR folks, but when there's a 1/2 second of lag on EVERY action, it's hard because the lag makes it near unplayable.
Also, most of the folks on NWR are on rarely. The friend finder will connect you with people who are on NOW.