I fell in love with this range a few years ago (little story about that, but maybe for another day), and I've set myself the tricky goal of collecting all the Guthrie Personalities. While the 800 and 8100 series were picked up by other companies following the sad demise of Grenadier (including Emperor's Choice, Mega Minis and the ill-fated Center Stage), it seems the 700 series blisters dropped right off the map back in '94 and were never seen again. At least, not so far as I've been able to tell.
Peculiar but there it is.