[quote=@POOHEAD189]
[hider][@Austronaut]I'd be perfectly willing to nerd out on books, but this isn't the place, you're right.[/hider] 

A Kroot might also be a viable option, other than men.  

[/quote]


Look at any of the races that the Tau use as mercs, they're all viable options; Vespids, Tarrellians, Gue'vesa...

Some of [url=http://www.lounge.belloflostsouls.net/showthread.php?11125-Ultimate-Lesser-Xeno-list-descriptions]these[/url] even.

Of course, a majority 'man' crew is the obvious one - and one I will not discourage - but nor will I say no if someone wishes to play a Xenos (of the Greater or Lesser variety). Can always fill out the NPC ranks with humans, after all. :)