I use Organ needles, they work perfectly fine.
I agree with Crashnquilt about the sizes - 12 or 14 for piecing, 16 or 18 for quilting. If I use a 12 or 14 for quilting, I get skipped stitches. I also use topstitch needles, they have a larger eye and longer scarf.
Congrats on your new machine! I LOVE mine. You might consider joining the Yahoo group, there is a lot of information in the files and plenty of helpful, knowledgeable people willing to answer questions.
https://groups.yahoo.com/neo/groups/PQ1500/info