One of the stock MOHAA textures I used contains an unsupported shader function that results in thousands of console errors as soon as you fire your weapon. This may significantly impact performance. I have removed the offending texture and recompiled the map. While I was at it, I crrected some texture errors and added more clip brushes. Please DL again for the corrected version and sorry for the inconvenience:
http://hitp.gdn.net/Prado4.pk3