Canon USA has a special on refurbished Canon EOS cameras. Now through August 30, you can get select cameras for an additional 35% off. This includes a Canon 7D for $779.48 and a Canon Rebel T3 kit for $251.99, among several deals. Check them out here on Canon USA.
Additionally, The Canon EF 40mm f/2.8 STM lens is $143.99 through August 23. Other lenses may be added, so keep checking back here at Canon USA.
B&H has the Oben AT-3421 aluminum tripod and BA-106T ball head for $119.95 (reg. $159.95) through Aug. 18 with free expedited shipping. Check it out here at B&H Photo.
B&H has several deals on external hard drives and memory cards. Most of these are in limited quantities, so they may be gone soon. Check them out below.
Sony 32GB SDHC card for $13.99 (reg. $17.99)
Adorama has the Vanguard Alta+ 224 carbon fiber tripod with the SBH-30 ball head for $124.95 (reg. $174.95). Check it out here at Adorama.