Barry can hook you up as he did me on it. I think the 750s might be a bit large for a 428 though. I got the "Barry sourced" Quick Fuel custom 750s on a Tunnel Wedge (as pictured) for my 482" S/O along with air cleaner, fuel log and carb linkage. The combo works great too.
Barry can also have a set of carbs built expressly by Quick Fuel for your 428 too. Keith Craft can also provide a "turn key" combo too. I believe he likes Holley 600s with his dual quad setups. You can plan on around $2K for the setup, not cheap.
Dave