Things really changed for me when I went to two exact matching wheel sets for the same bike. One set with Road Tires @ 27 x 1-1/8 and the other CrossX @ 27 1-3/8. With those two wheel sets I now had two bicycles. But also consider that I buy cheaper machine manufactured wheels and after receiving them I loosen them up and re-dish and tune them before use. If I had to spend some of the outragiuos costs of wheels sets that are common now days I certainly would consider other options...
__________________
No matter where you're at... There you are... Δf:=f(1/2)-f(-1/2)