Well, I say "Meow!"
If you're going to sew a cat costume, consider starting with a body stocking or tights/top combintation. Or start at a thrift store looking in the womens' tops section.
In lots of big cities theres one or even many stores that specialize in costumes, makeup, party supplies and such.
Make a rainy afternoon of it and hit them all with some friends. Stop at a bar or two along the way. Take some photos and send them to Aunt Clara. Have a hoot!
And keep an eye open for that long-long-long hair fleece blanket at Salvation Army, the fake-fur toilet seat cover at the yard sale, and of course E-Bay.
If it bothers you to be acquiring a lot of stuff without a coherant plan, when you get it home, organize it neatly in a big see-through plastic bin with a label: Costume Supplies.
There! That's the way the big-time Broadway costumers do it! And remember the minimax strategy extension: You will get the greatest results from the minor addons and accessories like a high collar, a necklace that looks like a cat collar, some tufts of fur or string or yarn added sparingly.
And your tail!
And whiskers!
