OOPS - It looks like I either set up this poll incorrectly, or I misunderstood what the box about allowing multiple answers would do.  It appears that this poll only lets you choose one answer for the entire poll, but it does permit you to vote mutiple times.  So, to answer all 5 pairs of questions you will actually have to vote 5 times.  I apologize for any inconvenience or confusion I may have caused with this.

I would like to be able to provide my books in an electronic format, but
a.) they are workbooks and the user needs to be able to write in them, and
b.) I am quite concerned that electronic copies can be so easily duplicated.

I realize I may be fighting an uphill battle here, but because self-publishing is so easy on sites like Lulu (and cheap, too, especially if you already have page-layout skills), I thought this was the best way to go for me.

To spur interest, I do have a blog and give away articles I have written (see the signature below for links).

BTW, David Pogue of the NYT had some interesting blog posts about this very topic recently.