Scuba Scotty
Registered
Well you won't go wrong with either place. Bunaken is quite nice, very easy diving, nice coral and macro - not a whole lot in the way of big stuff, but some. I was there in November 2009. Komodo diving can be challenging and it's certainly more spread out, but there's very few things (if any) that you can find in Bunaken that you can't also find in abundance in Komodo + there's tons of big fish, sharks, and mantas (I would argue more diverse corals as well). Don't write off the land based operators in Komodo entirely, the best sites aren't more than 2.5 hours by boat and generally the boats are big and comfortable and there's a lot to be said for sleeping on solid ground and eating where you want to. LOB's are a great way to go too but cabin fever, or a bad group of people (customers or staff) can really take your trip down a notch - but this can work in reverse as well. Komodo all the way for me. November is an ideal time as the South will have cleared up by then and the North is also available.
-Scotty
-Scotty