Bolt VX-760C Wireless TTL Flash
It isn't stated that this is a Master Flash so it is probably a Slave Flash, much like the Canon 430EX II. Personally I would buy a 430EX II, a Nissin Di622 II, or a Yongnuo YN-565EX.-- hide signature --
Living and loving it in Bangkok, Thailand. Canon 7D - See the gear list for the rest.
It is listed as a master flash, which makes it significantly different than the others you mentioned. But it is missing high speed sync as best as I can tell, which might make it a deal breaker.
Upon further research, the Bolt flash appears to be identical to the Oloong SP-690II http://www.lightingrumours.com/oloong-sp-690-ii-is-affordable-wireless-ttl-master-1968 and and Calumet Genesis SP 692, all of which are Master/Slaves with guide number of 50 and lacking HSS.