WASR 10 (new ones are great, when they're under $600, I consider them the perfect starter AK)
WBP Polish (either the classic, the CG1, or the Riley built one, I have one and they really ARE fantastic)
DAKM builds by Definitive Arms (if you can find them in stock)
Arsenal 107r (a bit overpriced, but it is what it is)
N-pap DF (although I might hesitate on that for a new owner, as underfolders are something most recommend as a second AK, not the first, as they can be a b!tch to shoot)
the fixed stock N-pap is an ok starter gun too, but I tend to lean towards the WASR as the Yugos take non standard furniture.
then on the used market
Norinco
O-pap
M70 ab2
Saiga
Vepr (though you're spending way over a grand at that point)
whatever you do, DON'T buy a Century C39v2 (or v1), a RAS47, and IO gun, or the PSA builds. Junk american guns (psa is the best of them, but that's not saying much).