The Reeves 42S gives a great sound, sizzling high register and has a very comfortable rim. I was previously using a Schilke 14a4 for lead but found the rim a little too flat on longer gigs thus inhibiting flexibility. The 42S has added a third to my range with no change in technique needed, it just seems better balanced and more efficient.
I can see why so many lead players have chosen this piece over the years!