Bricks should have 3D Inlets and outlets instead of textures, and when another brick goes on top of it, the studs under it dissapear.
that would turn a 6 sided object into a ... like 50 sided one. each.its not "many bricks" that lag you, its how many faces on objects your loading on your video card.imagine how bad it could be for the average computer. should be happy with our illusion of textures.
they do do this. a good way to show this is with the grill plate brick.(unless newest version fixed that)