The reason I'd suggest LW 4.16 is there will be more later version LW ultrapeers you could connect to (such as LW 4.18 & LW 5.) LW 4.10 will be limited up to about LW 4.16 I suspect. LW 4.16.6 (which I use) else LW 4.16.7 would be fine:
http://www.gnutellaforums.com/mac-os...tml#post271009