Hapans, Mon Calamari, Corellians, Mandalorians, and Noghri. My top 5. (Yuuzhan Vong and Chiss are honorable mentions.)
Also, Zahn's version of the Clone Wars are way better than what is "canon." Clonemakers make endless armies, attacking with wave after wave of offenses, to the point where the Empire seems an acceptable, and even the mention of clones makes people, such as Mara and Kaarde, very nervous.
(On an unrelated, how the hell is the Republic the 'good guys'? They raised a slave army, of what amount to children, and launched an hugely unnecessary, unprovoked pre-emptive strike, and refuse to allow anyone to leave their bloated, corrupt, broken system.)
Hapans, Corellians, and Mandalorians are all technically baseline humans (At least later generations that weren't descended from the Taung, and the Hapans have enough genetic differentiation from millenia of selective breeding to be their own breed). Chiss also don't count since they're an offshoot/sub-species of baseline humans. If I lived in the SW universe, I'd want a woman from Hapes (or the Core in general. Corulag, Alderaan, Talravin, Shawkin, Breental, etc.)
Eh, the premise of the current CW's have a much larger, more involving expanse across the entire galaxy. Maybe it's because the galaxy feels sufficiently 'big enough' that I support it, when Zahn's days of the EU were much less well-defined.
Also, you're looking at the actions of a Sith Lord who manipulated an already stagnant and complacent government that was essentially run by those who had the largest paychecks into bringing the galaxy into a sense of economic depression, to which he then manipulated the corporate heads of the largest companies and corporations to use their influence to spread a secession from the overbearing and corrupt arm of the Republic to create their own system. And by putting his Sith apprentice in power over that group (an apprentice who held much personal clout and wealth with the Corporations and was enough of a galactic figure to draw people to him) subtly encouraged war and enmity against the Republic. And the clones aren't technically a slave army: they've been born and bred for this, and they find fulfillment in their task. And it's not as though the Jedi or the Republic at large were aware of this army. By the time its existence was revealed, the Republic needed a military badly. The strike wasn't really unnecessary, as the Separatists were at that point openly plotting war and threatening the Republic with military action.