buy the mounting brackets for the dewalt and adapt them to fit your bosh..you sound handy..
Google "decorative concrete" and you'll come up with a lot of links. Decorative Concrete Magazine always has lots of ads for stamps. You might also want to consider broadcasting an anti-slip agent (like silica sand) over your concrete to preclude sli...
Dig out the Yellow phone book and call all the lumber suppliers in your area, I may have some here, but it won't do you any good.