DS is reading! Thanks, everyone. Those Geronimo Stilton books seem to have made the difference in his willingness to read. Now it should just flow.
Also, today for the first time, his OT had him try an EZ Reader highlighter card, and it definitely helps. She doesn't think he has visual tracking problems, as he only gets lost from the end of one line to the beginning of another, but she said she's not the one to make that determination. If he continues to have problems, I'll pursue that, too.
Thanks again! This is a big year for DS - he seems to be getting over both the reading and writing hump. I was afraid it would never happen.