Disclaimer: I do not watch this show, I do however run couple TV stations that do.
Yes, Top Model is now in HD, and has been for at least a year.
Panasonic Viera TH-46PZ800U 46" Plasma
TiVo S3-65 HD Hours-Lifetime
TiVo HD 20 HD Hours
TiVo Roamio Basic 300 HD Hours-Lifetime
TiVo Roamio OTA 75 HD Hours-Lifetime
Harmony 880 Remote Control