... the Indra's features put it overall in front of the B1.
Phottix Indra is very appealing but lately their support it is not very reliable. There are many users having problems with Mitros+ and have no response by the support team.
How long will last a Phottix Indra? My Odin receivers are not in good shape after 2 years: plastic support for hotshoe is broken and another was almost split in half when tilted with a flash. And they were not used in tough conditions.
These things should be taken in consideration, in my opinion.
And about modifiers? Phottix modifiers are OK but not that special in terms of light quality. If you want to use another brand you have to get speedrings, increasing the overall price.
let's wait for the reviews.