I started using a divacup about 3-4 years ago. Back then I chose the diva because it was one of the few that was easily available. I recently lost my divacup (no clue how, it perplexes me and annoys me! I even had to do a midnight tampon run last cycle!!!). Now when looking at the products available I'm feeling rather overwhelmed. While I was happy with my small divacup, I always had to use a backup pad (pantyliners weren't enough). The leaks were just gradual throughout the day. Only a few times did I experience the 'red gush', and that was always when I was lying down. I know it wasn't insertion technique causing the leaks, since the divacup always popped open easily. One other thing, I always found it more difficult to urinate/have a BM with the cup in. Don't know if that's an issue common to every cup. Either way, it wasn't too much of a bother.
Anyhow, now that my divacup is gone, I am using this as an opportunity to improve my menstrual cup experience. I've looked at the size/shape charts and photos and still don't know which cup to go for. I am 23, a virgin, with moderate flow on days 1-2, then light for days 3-4. I *think* my cervix is high, because sometimes my divacup would migrate waaay in and was hard to retrieve even with the full length stem.
One other thing, a cup that is easily shipped to Canada would be stellar! (since it seems that some are only available in Europe)