I have always used full sheets. old habits you know. But I never get rid of combs unless of course a frame would break or something. but with all we have been hearing I believe I am going to use the 3 different color tack idea and dispose of 1 color every year. Its going to be tough to throw out a perfectly good comb.
You said not to use wax. I have 510 frames built for spring. I was thinking about a 1inch wide strips of comb honey foundation wax as starter and run the two wires length ways. But not sure, have read so many ideas on foundationless frames I defiantly would like to try .