Please post links for free Impulse Responses (IR) here.
Looking for links to freeware, promotional, basically any IR that is legal to share and download including Helix user created IRs that you are willing to share.
Here is one to get things started: http://www.openairlib.net/auralizationdb
This is kind of an interesting site with a huge repository and has some extraordinarily different IRs available for download. There are definitely many in the mono 48khz format pref