I have a PDF version that I got from I dunno where. PM me an email address and I'll email it to you.
And congrats on your excellent new boat. I've owned hull #1 for only about a year, but it's a great boat thus far.
Finally, you should join the p28 yahoo forum, if you've not already: p28forum : Discussion group for owners of 28-foot Pearson sailboats.
. Come to think of it, that's probably where I got the PDF manual.