Tension really matters when 1) the guides are not set properly (they should be extremely close to the blade to provide support and, well, guidance to...
In 2018, I attended a class at Anderson Ranch with Adrian Ferrazutti titled "Bending the Line." The topic was to get out of rectangular/square forms...
Rather than going all in on a top of the line vacuum setup, you might consider first trying your hand at it. You can achieve just as good of results...
Jonathan, if you wish to upgrade your guides to ceramic, a less expensive way to do it (rather than buying the Felder guides) is to order the ceramic...