I was diving with them in February which is about the worst time to go to Sipadan. Cloudy almost all the time with occasional rain. November may be good or bad but probably not much worse. Viz was only 10 meters or so on just about every dive but diving there was still the best I have ever seen. I was dizzy from spinning around looking at all the turtles, sharks, Napoleon wrasse, swirls of jacks (no barracuda!) as well as small things like ribbon eels, frog fish, ghost pipefish, octopus, etc. I just can't imagine what it would be like with better visibility. FYI, I've been diving in Cayman, Utila, Lembeh, Maldives, Banda, Boracay, Bali, Anambas, Tioman, Aur, Tenggol so I have a fair amount of dives to compare it too. Someday, I would not mind comparing it to Truk, Yap, PNG, Layang2, etc.:mean:
All the DM's at Borneo Divers were fantastic, except one. I believe that one is gone now though. He had great skills but an absolutely lousy attitude. He was being such an ass that we asked for a change (I guess men can't handle getting PMS). The DM who replaced his was Bryan and was the best DM I have seen in 14 years of diving.
The food and accommodations are ok - nothing to write home about but you won't starve. I was too busy writing about the diving anyway.