Hi hyvokar,
It sounds like you are using the Thick Client to connect directly to a Host? This is not supported in 6.5 as that client has been discontinued. We're aware the 6.0 version currently connects to 6.5 Hosts, but it's not been tested.
You mentioned a couple additional features/attributes you'd like to see in the Host Client view:
Is there anything else? Also a little more detail as to what you're trying to accomplish would be helpful (troubleshooting something, Flash bios, etc).