I used Dr. Aardsma's Spelling Drill for grades 1-8 from early 1990's to the present.
Likes: I love the online drills. Brand new upgrade! I get daily email reports of the drills and the student's grade. Great time saver. No lost or scratched CD's. No waiting for customer support. The drills can be done anywhere where there is Internet. The drills are set up to pace the student's performance.