Serpentine drive setup?

[Project1970]

Alright, I know this has been posted at least twice in relatively recent history...but at the moment I'm too toasted (a friend of mine passed away last night, at the age of 19...his leukemia came back in the past month and he took a severe turn for the worse yesterday at noon...got my butt up to Phoenix as fast as I could to say goodbye and just now got back ) to go digging through the board without search to find the posts.

I know someone posted some pictures of using a newer truck's accesory brackets. That sounds good to me; especially seeing as I have Vortec heads, I would imagine '96-up brackets would work well...would there be any problems with the '70 block?

I also have factory power steering and air. Are pulleys available to retrofit those to serpentine or am I going to have to replace the compressor and pump? (Not a huge deal but those may make/break when I do this).

Would it be a good time to convert to a newer alternator as well? Maybe just get a '96-up truck alternator to match? Or could I still use my original alternator?

Thanks for any help / suggestions, guys. I ask because my A/C belt snapped today before I even got on the 10 to head down, so that was 110mi without A/C...and I hate having to do the power steering belt just to get to the damn thing!!!