Positive And Negatives of Photoshop timeline cs6

I have been playing with cs6 photo shop as I was told it has animation sketchers much like flash and time lines.  This was a Grate help as I want my animation to be sylised and sketchy this would save time in production jumping back and forth from flash to photoshop. Make sure the frame arnt so jump and so on.

How ever when looking at CS6 I notes some complications.

The possitives are:

1. Much more painting options than flash
2. Im more comfortable drawing in Photoshop than flash
3. can Import music
4. Basic production animation add-ons, eg. dip to black, cross fade ext.

But the Negative are: 

1. Hard to flick between
2. frames do not have onion skin (but can get around with layers and opacity)
3. Eatch layer is a frame of animation (thats a LOT of layers, may cose slow prosesses and need good orgnisation) 
4. Difficult to eddit the time line

There may be more tatorials im still to find that will help with some of the ishus that I am having but from the tutotials I have seen, it looks like CS6 photoshop timeline is mostly for very basic animation. so I would be best makeing the basic animation in flash then clean up animation in Photoshop. 

It still has its perks and shall be used. I was also thinking of using after effects for the glow on the falling fether.

So Programs being used so far: 

1. Photoshop CS6
2. flash CS3
3. Premier Pro
4. After Effects (possibly)