The newly announced Canon lenses are available for pre-order:
Canon EF 24-70mm f/2.8L II USM at Amazon for $2299.
Canon EF 24-70 f/2.8L II at B&H for $2299
Canon EF 24-70 f/2.8L II at Adorama for $2299
Canon EF 24 f/2.8 IS for at Adorama $849
Canon EF 28 f/2.8 IS for at Adorama $799