A GOOD retailer or wholesaler will be upfront about their delays- it's just good business practice.
Right on the homepage:
http://www.grafs.com/
and another:
http://www.wideners.com/
and another:
http://www.powdervalleyinc.com/
and on and on....
And yes, PSA does have this disclaimer on their website as well:
http://palmettostatearmory.com/
It's when they do not communicate with their customers that they (deservedly) get bashed.