A few words of advice on those counter tops, based on personal experience:
The formica laminate tends to pick up static, which could hurt the chips on a processor circuit. Plus, it scratches fairly easily.
The rolled outer edge causes those little "ogeesis" clips and pins to roll off the top, onto the floor where they're never seen again.
The overall depth of that counter top isn't adequate to get your legs under the "bench" to work on most things. You would need a 3 to 4 ft. deep benchtop to be comfortable working on your stuff. A solid-core door works much better, less expensive, and is suited for a work shop environment. In fact, removing one of those cabinet units and spanning the gap with the countertop makes it much more functional.
Ask me how I know about those counter tops....