Speaking from only 2 in house blends that I have purchased, I've found Strauss' Sleepy Hollow and Boswell's Northwoods are excellent house blends (actually smoking Northwoods as I type this). And from what I've heard around the YTPC and tobacco reviews, Northwoods is apparently pretty reminiscent of Frog Morton. Although, having never tried any McClelland blends, I can't honestly say so myself, but that seems to be the consensus.
As for Sleepy Hollow, anyone here know if Sutliff's Pumpkin Spice is a close match, or are they completely different?