Event Electronics PS5, PS6, or PS8?

[jack_s]

1. which one should i choose and why?
2. how much are their suggested retail price? how much are their street price?
3. how do they compare to the event 20/20bas?
4. how do they compare to other biamplified monitors in the same price range?
5. how is their sound and accuracy?

thanks in advance for the info!

cheers,
jack