WOW, just had a look at it down here myself...pretty amazing to see (two) 720p AND a 1080i streams on ONE station!
And I thought it was amazing when WCIX-49 started broadcasting TWO 1080i & two 480i streams! (WCIA-3 is doing the same, of course)
I remember several years back when WLS in Chicago started doing two 720p streams, and that was cutting edge then. Fast forward to WCIA/WCIX doing the same with two 1080i streams, both of smooth quality even with two more SD subs, which also amazed me still. When WEEK squeezed in the CW, I felt that a similar compression was a distant possibility given that the two mains are only a 1080i plus a 720p, but I wasn't holding my breath on it, and I am really surprised they ended up doing it. Granted, the compression artifacts are there, but it is still light years ahead of the SD, and it also gives some hope to any of the other CW Plus -3/4 subchannel affiliates out there (if their stations are willing to spend the money).