I'm not really tempted by signature models, but I love Epiphone. Les Paul loved Epiphone. I know the connection to Gibson Les Pauls is pretty tangential but Mick Ronson and Johnny Thunders and Sylvain Sylvain and Mick Jones played Les Pauls, not PRSes. I wanted a Les Paul, even if it was an Epiphone.
I got mine for the equivalent of about 650 to 700 dollars new, while Gibson Studios start at about three times the price. Now I can become a better guitarist, and maybe in a few years buy a Gibson Standard when I feel worthy of it.