It depends on the age. I got my 11 yr old son iPod last year and its been great and no monthly fee. He can even text for free (free app).
Beth - homeschooling mom to Magus '99, Malakai '01, Bastian '07, Jace '09, Step Mom to Seth '95, married to Damon, love of my life!
My last ds is pl'ing! Yahoo!