The new Sigma 24-150mm f/4 DG OS HSM lens is now in stock for Canon DSLRs. Check it out here at B&H Photo.
(Note that there’s still a backorder message on the page at them moment, but that should be removed as soon as the inventory in their system is updated.)
The 16MP Sony NEX-5R is starting to show up in stock at retailers. B&H Photo has several kits and the body only available and now shipping. Check out all of the Sony NEX-5R options here at B&H Photo.