to add my two cents here... spiral blades are the reason I started scroll sawing. and I haven't ever used regular blades. I commonly cut stacks of up to 4, 1/4 inch plywood blanks, with no trouble. I have read that spiral blades leave more of the "fuzzies" on the back of your cuts but a quick pass with a small flap sander on a dremel tool takes care of that.
Oooh... Possibly a miscommunication problem... I've been scroll sawing almost a year... not new to scroll sawing, just this sight... Still have a lot to learn though.
Just wanted to Introduce myself, and tell you how excited I was when I found this forum and website. I am really looking forward to sharing my work and learning from the people here. I just finished cutting my first pattern downloaded from this site and it turned out beautifully, I will post a picture soon once I finish the frame. Thanks for being here!