If you want individually controllable RGB LEDs I would suggest one of these strips:
http://www.adafruit.com/products/306
http://www.adafruit.com/products/1138
and if you want a simpler strip that's RGB but controlled all together you might go for this.
http://www.adafruit.com/products/285
or if you wanted more local lighting you could try the segments.
http://www.adafruit.com/products/1426
I feel like controlling them with the CRio would be fairly simple; I've programmed an LED strip like the first one in C++ on and Arduino with very little coding experience and it worked fine.
Anyway, hope this helped.
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