I would say it depends on what you're cutting. If you're resawing something substantial, then like [member=44099]Cheese[/member] said, there's no way you're going to get great dust collection. But if most of your work is plywood or sheetgoods, the vac port would certainly be an improvement over nothing.
Though I also think dust collection at the band saw, like the router and miter saw, is pretty impossible to get perfect. The thin kerf of a band saw blade plus the table insert are your obstacles. I have a large cyclone and 20" old Delta bandsaw before dust collection was a priority, though credit to them for including a small 2" duct right under the table in approximately the same position as the video depicted, however mine is right beneath the lower guides. I've added a 4" port to the bottom door as well, and even with both ports sucking, I still end up with a mess after a few minutes.
I am going to be creating a new table insert with additional dust collection holes, but I'm not expecting a miracle because those holes are going to be covered by the workpiece most of the time.
Just get a nice horsehair brush to sweep the table and the Festool industrial cleaning nozzle/tube and you'll be good to go.
