I have several, in fact just about every one pictured in this thread, and my favorite go-to rotary cutter is the one you purchased. I've had good luck with Harbor Freight blades but my best quilting buddy tried them and they didn't work for her at all. So....there's no right or wrong, it's whatever works for you, and I agree that you have to get off that ironing board, it's an accident waiting to happen.