UPDATE: You'd better check out my new Flatilicious set, done completely form scratch at this link (http://crtv.mk/bgb6) or the essentials version of the same (http://crtv.mk/cjjA).
Flatilicious are crafted with a great attention to details, yet all sharing the same consistent style in terms of shapes, colors and shadows, across all 200 icons.
Customizable: If you need color customization, you can easily do that by opening the Illustrator version.
Scalability: There is no size limit. You are equipped with pre-sliced PNG versions in 3 sizes: 32x32, 64x64 and 128x128, but you can always use the vectors if you need bigger, much bigger versions.
Deliverables: AI, EPS, CSV, PSD, PNG.
Make sure you check this set from time to time, as I plan to add more in near future.