At one time, Gamo was about equal with Norica and Cometa, the other two big Spanish air gun houses. While they have been doing a lot of redesigning, much of it pretty good, Gamo has just been recycling. The "innovative" Gamo guns like the CFX and 1250 were borrowed from BSA. The Whisper really wasn't anything more than a Shadow with a sort-of built in moderator. (To give Gamo their due, I think that might be a Spanish thing as some of the other brands are sporting those Roman noses, too.) And then Gamo institutes their very restrictive sales policies such as dropping .22's for a while or only selling small parts. I understand you can't even buy a replacement spring for a 1250, which is pretty ridiculous but must be they want you to send them in for repairs.
Worst thing is, the new "special" Gamo rifles are costing as much, if not more, than other, better guns in their niches. PA has the Hunter Extreme combo for almost $500. The RWS 350 combo is $385 and about on par, powerwise. Heck, for that I can find a like new Diana 54! Plus, I don't see Vortek busting their butts to make a kit for any of the Gamo's except the 1250. Tells you something.