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I love Shiv/Hydra combo. I also choose ignite+smite. I only get Q at level two if I see that I can grab a gank that early, otherwise I go E then grab my blue and grab Q then go gank. Exhaust is nice, but your E has a slow already so I find it not as useful especially when Ignite nearly always yields me the kill.
Boots are very dependent on the game. Most of the time I just grab Greaves. The rest of my build usually is Wriggles/Shiv/Hydra/Warmogs/GA/Greaves. I find it does some serious damage and really gives you that needed survive-ability especially in late-game.
Zephyr is also I really nice item choice on shaco.
But seriously, Hydra is insane on him and really gives his jungle clear time a major ramp.