check this link for tuning up your tablesaw
Podcast #11: Tuning Up Your Table Saw for Perfect Cuts — Woodworking Online
For cutting hardwood faced plywood buy a Forrest Products blade at Woodcraft in Woburn or Rockler on Mass Ave in Cambridge
They will hook you up with the proper blade for plywood
Boulter plywood in Medford just off 93 is a great place to buy your hardwood faced plywood... hue selection and good prices. They cut off area is also a great source for turning blanks
chris