I have one, and use it just as you propose. It upconverts my dvd player's 480i out to 1080i. Very nice picture. I also use it for my sd tivo, ld, and vcr. These pictures are improved from unwatchable to tolerable. HD sources are passed thru unchanged. I like it. Good pq and I was able to use it to help simplify my system to improve overall WAF.