Favorite quad op-amps for synth design?

[Buck Buchanan]

Hey folks,

Before I spend the next 5 hours with a floor full of catalogs,
databooks, and selection guides...

I'm wondering what the general opinion here is about use of quad op-amps
in new designs.  Seems like there's been a certain degree of disdain for
them in general.  I've typically stayed away from them just for sake of
being able to swap so many types (as w/duals and singles).

But it seems like by the time I've packed all the features I want into a
design, there's enough op-amps (and shrinking board space) to justify
using quads for *certain* duties.  Parts like the LM324, XR4136, and
LM3900 Norton seem pretty common but are there some "standard/common"
units that are a little more modern, have a standardized pin out, or
better performance?

So I'm wondering if anybody's got some favorites that are roughly
equivalent to the following singles and duals:

LF412 - Concern being very good drift and low offset.

OP07 - As per above when need better offset. 

xx5532 - Low noise audio.

xx1458 - cheap, low tol, for the rough stuff.

Suggestions/opinions on parts as well as quads in general are greatly
appreciated.  

Buck