...that's wonderful!! Have fun learning, Christine!
ITA with Laura regarding the 'next' lens. I think it really depends. For me, I
LOVE my 10-22 lens. After I bought that particular lens, I realized that wide angle is my match. I have rarely changed lens since—I literally miss the wide angle aspect when I do. It isn't the fastest for indoor, but it works for me. Did I mention I
LOVE that lens? Best of all, I haven't had the urge to purchase another lens since.
Enjoy your 50D!!