Hi Gill,
Depends really. Rip, cross-cut, or both? Lots of boards to do, or just one or two? Time of the essence, or can you do it at your leisure? D'you enjoy exercise or not? :lol:
If you will have only the occasional board to cut, I would suggest the handsaw route. Pick up a couple of decent old saws, one crosscut and one rip, at auction, sharpen or get them sharpened, and away you go for just a few quid.
Alternatively, battery powered cicular saw, especially if you are looking for a large one with a 3 and 1/2 inch cut (are they available?) would cost you hundreds, and take a fair bit of handling, too.
Just my thoughts for starters. :wink:
Cheers,
Trev.