The ruffler. No contest. Once you have worked out how to use it you'll be looking for all kinds of gathered up stuff to sew.<br><br>
IME the ruffler gives much more obvious results than the gathering foot.<br><br>
Here's a <a href="http://mmmcrafts.blogspot.com/2009/07/gathering-foot-vs-ruffler.html" target="_blank">blog</a> with pics of both which might help you decide.
<img alt="" class="inlineimg" src="http://www.mothering.com/discussions/images/smilies/greensad.gif" style="border:0px solid;" title="greensad"> I'm moving soon and can't justify getting a spiffy new sewing accessory right this instant. SAD!!!
<a href="http://susanscloches.blogspot.com/2010/04/using-vintage-sewing-machine-ruffler.html" target="_blank">http://susanscloches.blogspot.com/20...e-ruffler.html</a><br><br>
Yeah, this thing is even better than I thought it would be and I had pretty high hopes for it.