I posted this "Conversion Summary" yesterday, and have updated it with a bit of added info, thanks to Aylad, Janet. Some of this is what CarlD just posted.
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Taking the Plunge does not list the steps out concisely, but rather tells what was done during this conversion, with many comments in between.

Basically, from what I have read, a good summary is this:

1. get your chlorine up to 15ppm using bleach (lots of it!) and keep it there. When you can hold a chlorine level of 15ppm overnight, your conversion is complete.
2. Test several times a day to ensure you are keeping 15 ppm chlorine levels. Use a drops based test, (Ben's kit, Taylor, or HTH 6-way) and dilute with distilled water if necessary to read the test. Here is CarlD's shot glass method for diluting your sample http://www.poolforum.com/pf2/showthr...?t=4592&page=2
3. Run your filter 24/7 and backwash as needed.
4. When your conversion is complete, change your filter media.
5. Add stabilizer and begin balancing your water.

Your water will go through many shades of green and orange as the Baqua is being consumed by the chlorine.