I have CorelDRAW X6 now and pooled together the AI files into one CDR file:
https://dl.dropboxusercontent.com/u/41117656/spark-logos.cdr
Also a nice SVG file for you:
https://dl.dropboxusercontent.com/u/41117656/spark-logos.svg
Also a nice PNG file for you:
https://dl.dropboxusercontent.com/u/41117656/spark-logos.png
EDIT: Added the Spark Elite logo and PNG