I like them both, and they both have their own pros and cons; but I really wish people would stop comparing weight between a stock iron headed, iron manifolded small block to an aluminum headed, manifolded and T.C.ed big block. Keep it apples to apples. Throw the same equipment on a small block- aluminum heads, manifold, etc. and the weight difference is still gonna be there; just at lower numbers.
Heck, throw an aluminum block and enough other parts into the 440 and you can probably get the weight down to that of a stock (iron block) slant 6... but that defeats the whole comparison.
To the OP:
As said, do what you wanna do. Sometimes it's for no reason other than "that's what I want/like". Damn the torpedos, full steam ahead... You don't need any other reason than that, as long as you're aware of the practicalities and your own possible limitations (abilities, finances, availabilities).
