Birding around Sorong

Maybe this is a bit out of topic in a u/w forum but since many people here had been to Irian Jaya , i guess someone must know !

I will disembark from liveaboard at Sorong by the end of October and i would like to try to photograph some birds of paradise near that area ( they have 2 species inland and 2 more at Batanta Island ) ; so i'm planning to spend a couple of days around.

I already contacted the 2 main birdwatching companies there ( Papua Expeditions and Papua Bird Club ) but they are fully booked . So any one here have some info about some good guide that i can hire ? or can share some experiences ?