We were on a much tighter budget, so got ours from wickes. I had 3 firms out to quote and give advice and their computer impressions of what it would look like. It shouldn't be rushed, ideas evolve once you find what's available.
We chose real wood worktops and good quality taps, and had our own local very skilled carpenter to fit it all, and adapt the units where needed. He also ordered us much better quality drawer interiors from a specialist supplier, pull out metal shelves etc. Love my pan drawers.
We took several months to decide, we were having an extension built also. We wanted an island originally, but i made up a temporary one from boxes, to same dimensions, and once it was there in the room with us walking round it, we decided it wasnt right.
You've waited this long, put your foot down, and although you may have to compromise, you must be happy with what you choose.