First, we bought Molly a cube:
She was getting older and felt the cold more, so we bought her a heated window perch:
When we adopted Tuxedo, I installed a perch in the garage window so he could watch the birds and squirrels:
When it got cold he also got a heated perch:
Now, he also has a perch in my sewing room:
There are also two scratching posts, one in the den and one in the living room, and a flurry of cat toys scattered about.
We've got the kitty cat fever really bad. It only takes a minute or two in our house to tell.