Thanks! Downloading as I type...
If you need Christian-friendly tunes, you could try artsits who don't have any lyrics (like lots of Bassnectar). That way, although it's not overtly Christian or worship, it is dance-y and clean.
I also like using kid-friendly tunes, like High School Musical.
Try searching for Red, ir really nice
I have a CD called Glory Grooves which is a bunch of dance remixes of contemporary Christian songs. They don't make it anymore, but there are plenty of copies for sale still on Amazon. Also, Plumb's (a Christian artist) greatest hits album "A Beatiful History" has a second CD that is just dance remixes of her songs. It is great. I highly recommend her music in general. I used one of her remixes for my recital: