Anyway, one more thing what I wanted to mention about Varun and Raj is - Variety in moods.
Sachin and Supriya are doing equally good Job but most of their songs have a monotonous "pleasing expression" but a big plus we can see in Varun and Raj's Performances is, They are putting different moods in their performances with a veriety of expressios, which makes them really different, innovative and creative.
and Varun, as I wrote in my first posting, "WAS" a nondancer but not anymore. He has shown his inner dancing skills well during this contest. It looks like he knows very well what songs, moods, expressions and steps suite him.
So I find them the BEST DANCER COUPLE now.