Pluralsight has a bunch of courses you might like. E.g http://www.pluralsight.com/courses/hacking-user-experience. I got a 30% discount email from them. http://www.pluralsight.com/signup?discountCode=b2cfall2014mo...

I haven't gone through the course so I can't vouch for it, but perhaps this is of interest:

http://bitfountain.io/course/ios-design/?couponCode=general

For people who purchased the iOS 8 course based on Swift, there is a further discount to $39 until Monday (not sure if this applies to people who haven't yet purchased the course, so caveat emptor).

Maybe you should consider finding a designer who wants to do developing, and take turns teaching eachother.