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What do you want to do with it, and how heavy do you want your airgun to be? There's a lot of high-end stuff out there that weighs as much as a smallbore competition rifle. They are nice, but a real pain to lug around, especially if you're ever shooting from un-rested positions.
I've got six tins through my Air Venturi Avenger without any issues. I have heard the firing pin o-ring eventually wears out but I have a spare. If I had it to do again I might get the wood stock because the plastic is suuuper plasticky.
I'll plug it here too because I'm still wrestling with ordering one myself -- There's refurb Umarex Gauntlet's (22 and 25) on eBay for ~$220 and that's just such a crazy amount of air gun for the money.