it is all about compromises.

microb: data filtration is zero, usage isn't simple
microb with touch.facebook.com: data filtration is moderate, usage is simpler
standalone app: maximum data filtration (the app decides what is the most important thing for you, apple-style usage.

I choose always the first item from that list. yes, C5's facebook app is faster but you simply cannot access all the features no matter how you try.