Two things that I forgot to include:
You will need to use 14" or larger wheels in order to clear the disc dust shield (unless you don't use the dust shield), and you will need to disconnect the passenger side trailing arm so that you can rotate the spindle.
This swap took me one weekend to complete. This is because I had no guidance at all (other than rumours on the internet), and it turned out that I needed a couple more parts from the junk yard so I had to go back the next day and pull them. Don't worry, if you get all of the parts on my list you'll have everything you need!
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I'm pretty sure this swap will not work for an '88-'91 CRX since the suspension is completely different from the '86-'89 Integra, but I have seen several aftermarket kits for the 2nd gen CRX (check with BAER), and I think the 2nd gen CRX SI was equipped with discs on the rear, but don't quote me on that since I'm a 1st gen CRX guy!