is the ti4200 DVI-D or DVI-I? (I'm assuming D, as, IIRC, ATi was the first to ship a dvi->vga dongle, implying first to have dvi-i)
Iunno, maybe I'm drawing the wrong conclusions.
*edit*
either get a VGA LCD (people say image isn't as sharp)
or an LCD that supports DVI-D. 🙂