I recently installed Prowl on my iPhone to receive push notification from, well, just about everything. One of the things that was excited was that I could setup a faux-Gmail Push System. After setting everything up, I noticed that the Google Notifier was only checking every 15 minutes (sometimes longer it seemed). After doing a little digging, I came across a forum post over at macosxhints. Luckily, it was quite easy to fix:
After applying this fix, it's just like having push Gmail (as long as my computer is on)! Thank you jonnygozy!