I'll agree with Jim. I'd keep that gun how it is and get something more to your wife's liking. No point in fiddling with an old gun that you can spend just as much buying a new (or used) one for.
As Jim stated, semi's or O/U guns are more suited for skeet. Inexpensive O/U guns have made their way into the market in the past couple of years, and I have one that I purchased several months ago that I've been quite happy with. Mine is a Stoeger Condor in 12ga, also available in 20ga, 16ga, and .410. There's also a 12/20ga field combo that comes with both sets of barrels for more flexibility. The 12 and 20 come with improved and modified removable choke tubes (so you can replace them with whatever you want if those don't suit you), and run around $350. They seem to be available at most big-box gun retailers, so are relatively easy to find. I got mine at Bass Pro in San Antonio. Yildiz is a Turkish brand carried by Academy that has a similar lineup and price point, and I've heard good reports about them.
I've had good success with skeet and dove/duck hunting with my Stoeger. I wrote a couple of reviews about mine (have been meaning to make a followup, as I've used it several times since, maybe I'll get to that next week), and have been happy with it. It performs well, and wasn't a big hit to the wallet. Here's the review:
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