I found a nice leather IWB holster on ebay for for under $40. One of the holster stores on there sales them for the PK 380
My GF bought hers for almost the same reasons you and your wife did. She has weak hands due to carpul tunnel and though she can work the action on my .40 XD(m), it's difficult and the PK is a dream for her. And She is a lefty too.
If you want a 380 that is very easy to rack check out the Sig 238. I have a Walther PPK/S 380 and the Sig is several times easier to work. Haven't shot the new S&W Walther 380 but have a Walther 99C in 40 and that is a sweet shooter.
+ 1000, my wife bought hers back in late 2009 and loves it, that being said, I just got back from the gunstore with her Christmas present, a S&W 380 Bodygaurd. She has been looking at these and while she loves her Walther she likes the Smith because its very concealable and easy to work the slide even with carpel tunnel.
Thanks, Folks,,we are going to check them out. Also, we are both really looking forward to trying the new XD(m) sub compacts. I KNOW I'm getting a .40 for me as it will match nicely with my 4.5" XD(m),,,she's not sure yet,,,have to wait and see.
Sorry for the Vert......it was completely unintentional.