I think a lesson on binding would be very valuable.

This store's short cut binding tool demo was getting watched every time I went by their booth at Houston in Nov 2013 http://thequiltingsquares.com I know the technique has been shown before, but it is completely machine binding with a flange.

Something new to me....but maybe not 'hot' was honeycomb moda charm packs. http://www.youtube.com/watch?v=3TS7Zh-f9xM. Something for the beginner.

I think it would be on new tools or techniques. Simply Quilts use to inform me what new products there were available for us quilters. Now I rely on this board to keep me informed.

Maybe you could do a mix of easier and more complicated projects, or even one room where you bring your own project. Possibilities include doing a different star pattern, possibly one from Bonnie Hunter's site quiltville.com , lone star in a day. Ask the participants what they're interested in first.

suggest instruction on paper-piecing

Do something people would be hesitant to try at home alone, or something they need encouagement to keep going on. Fabric painting or FMQ for beginners.

Our "At home in the Guild" classes that usually run anywhere from 3 hours to a day have been on fabric dying, paper piecing, fusible applique, reverse applique, needle turn applique, free motion stitching , fabric baskets (with clothesline). It might be fun to throw in some new block patterns.

call paper pcs and get free starter kits for English paper piecing. start them on how to do it. it's a great take along
and the kits are free