Of the two posted, I would suggest the 274H. Its 230 degree @.050 intake duration should have decent street manners and power brakes probably OK with a 440. A little rump at idle. I would go with 3.55 or even 3.23 rear personally. The smaller cam would be fine if you want a more mellow feel and less rump.

FWIW I run a B 496, Ed heads and manual transmission with MM lobe solid flat tappet (243 @.050, .55" lift). Runs very well on the street (eg IL to San Diego - IL).

Your Ed heads would flow more with more lift... I agree a mechanical FT like the 528 would make a better running engine. Initial lash setup is much easier vs a hydraulic and it will not need adjusted much with good valvetrain parts and setup. Overall a simpler and more reliable setup IMO.