Yongnuo SF-18 Flash Battery Pack for Canon CP-E4 Compatible and Yongnuo YN-560, YN-565
Yongnuo's YN-622C-TX is not only available for Canon DSLR now, it also comes with a proxy mode for forwarding signals from the power and zoom controller YN560-TX.
Yongnuo announced it's first TTL capable studio flash YN300W. The YN300W has an optical slave sensor, a PC sync port and a hot shoe for the YN622 trigger system.
Meike is a quite innovative manufacturer and has interesting flashes and triggers in it's product portfolio. The downside of short product cycles is that it can be a little bit confusing. The below table should help to find the right flash for your purpose.