I would definitely buy a DCUC Shining Knight, were he to be made!
Btw, Mattel has revealed their SDCC exclusives
DCUC Wonder Twins + Gleek (pass)
DCIH Anti Monitor (might want one)
JLU Abin Sur/Sinestro/Hal Jordan (definite buy!)
Ghostbusters Egon w. Slimer
Buzz Lightyear (want!)
Red Mater w. Mia/Tia