Sorry, it was my mistake, I do not have any filters for the 14-24, I over-simplified that line. The 14-24 is an awesome lens that I probably use more often than the 50mm. It's impractical to use a polarization filter on a lens this wide. At 14mm on a full frame sensor, there will be a significant part of the frame that isn't getting polarized, due to the wide angle of the incoming light. This leads to an obvious colour difference when shooting a landscape (Particularly in the sky).
Normally when I'm indoors or shooting the inside of elaborate buildings, I use the 14-24. When I'm just taking 'normal' or very low light shots I use the 50mm.
The 70mm-200mm VR2 is great for shooting stage productions or for portraits. The f/2.8 really knocks out the background and the Bokeh is fantastic (It's also great on the 50mm). This is a heavy bastard and I only take it when I know I'm going to use it.
Not having the focal length between the 25mm - 49mm and 51mm - 69mm isn't a problem. Just take a few steps back or forward to get the composition you need. The sharpness of the 50mm for outweighs the practicality or a bigger, heavier, softer lens.
It all fits into the Lowepro backpack, and I even manage to fit in an Acer laptop, Sony camcorder, all the wires, charges and transfer cables, spare batteries and memory cards.