The absolute best material for a radial arm saw table is mdf, otherwise known as Medium density fiberboard. It's cheap and available at any good retail lumber yard. It is very heavy and very flat... just what you need. I would go with 1 inch but 3/4 will work too. When mounting the MDF to the saw use a framing square to be certain the saw blade is at 90 degrees to the table top. Once that's accomplished, replace the fence with a piece of hardwood, Maple or oak, and mount that to the top using the framing square to be certain the fence is 90 degrees to the blade crosscut path. That will get you started. Radial saws are a great deal harder to keep alligned then a table saw and will require various adjustments to the carrage and table to get everything square. The larger the carrage the better it will hold square. You can also cover the 1 inch table with 1/4 masonite to act as a replaceable cover for your new MDF top.
Bosch would be my first choise in a portabe jig saw. Without exception, my Bosch tools are a real pleasure to use. I have had several over the years and am more then satiafied but any good quality Hitachi, Makita, or Dewalt, Porter Cable , Milwaukee will do. Go to a dealer and hold them. There is nothing like seeing it in your hands and feeling the tools balace and weight. You know when the tool feels just right. NO, not THAT tool!!!
Ripping laminate flooring can be done with a circular saw and a clamp guide but in my experience it won't be that critical. Laminate flooring is a floating system and needs 3/16 clearance around all stationary objects. That gap is later covered with trim to conceal the gap and allow the floor to expand and contract seasonally. That's why I said earlier that you will need an undercut saw so the flooring can slip under existing trim and stiil move. The individual pieces are metric in size... about 7 1/2 by 36 in inches. A very managable size.
You will find that the portable jig saw with a very fine sharp blade will be doing most of your cuts with exception of crosscuts.
I said before that I don't like ripping on a radial saw... it is dangerous, IMHO, but if you must, keep fingers well clear and remember with a RAS the blade, if the stock gets fed too quickly, can ride up on top of the material and pull it and your hand into the blade. So keep your hands clear and use a push stick.
Are you planning to use the snap down or glue togeather system? I traditionally have used the glue system and just last month a snap down. I was impressed with it. It cut my installation time by 1/2 and looked great. Only time will tell if it holds up to spills.
Save up for a good quality small shop table saw like a Delta Unisaw or Powermatic model 66 on the used market. I used a Powermatic for a long time and like its feel and the fact that the blade tilts to the left. Delta finally got the message and now is also marketing a left tilting unisaw. Biesemeyer fences are really good too and I would never have a quality table saw without one. They were subsequently sold to Delta machinery and are now marketed under another name.
I'm warning you, if you go soft and buy a cheap table saw and you are serious about getting quality tools, in a year you will wish that you had not. That single tool is the heart and soul of any cabinet shop.
-Paul R. Haller-Oo. Oo. Oo.