My suggestion won't work if you want to stay in acute care, but how about cardiac rehab? They have great hours and be able to build relationships with your clients.
If you want to stay on the floors, did you ever give thought to critical care nursing? It's still very busy, but since you're working with one or two patients at most, it's not the mind blowing chaos of juggling a team of 4 to 7 patients who have call lights.
Cath lab is also a great place to work and there might be some call required that might provide extra income. I worked in the lab setting for 6 years and loved it. In the lab you work as a part of a team consisting of mds, nurses, and rad techs. You'll get a chance to work cases that are wicked challenging and fast paced- pts with acute MIs to pts in cardiogenic shock, and the routine diagnostic cases. Many cath labs might require you to have some critical care experience, but some don't.
Another cardiology related area is noninvasive cardiology testing- stress labs, nuclear medicine, and echo labs. I've had to cover these areas while working in the cath lab and found it to be an enjoyable place with a easy pace of work.
Good luck finding your next step!