When you open the dash, the top bar becomes transparent and the top panel, launcher and dash all seem to blend together, is it possible to make it look that way all the time, even when the dash is closed?
You can change the opacity of the panel by using CompizConfig Settings Manager.
To install CCSM, run
in a terminal.
Once installed, run it by searching for ccsm in Dash. Scrool down to Ubuntu Unity Plugin, click it and choose Experimental. Here you can change panel and launcher opacity to make them look alike.
This is not perfect, but it gets you closer.