Are you using Wi-Fi syncing or Dropbox? Dropbox syncing syncs, roughly, 1 item a second, so you'd be looking at 279 seconds, so about 5 minutes for the initial sync.
If you're using Wi-Fi sync this can take a little bit longer, the other question is to ask which version of 1Password you're using on the desktop (1Password > About 1Password)
Hope that helps,
I think we have the answer. Because 1Password 2 ended it's development cycle before the iPad was released it wasn't updated to fully support Wi-Fi syncing with the iPad, and so the 'Sync Existing' option will effectively just hang. However, if you create a new database on the iPad first you can then go to Settings > Sync > Wi-Fi and sync with 1Password 2 without any issues.
Incidentally, 1Password 3 will work on Leopard or Snow Leopard, so if you already have a valid license (beginning 1PW3) you just need to download the latest version of 1Password 3 from http://agile.ws/downloads and then follow our installation guide, which contains some important information about upgrading from 1Password 2:http://help.agile.ws/1Password3/3_0_how_to_install.html
Please make sure you read the section about upgrading to the Agile data format, if you haven't already done this you must do this before upgrading to 1Password 3.
Hope that gets you up and running,
thanks heaps Stu - I upgraded to 1Password 3.5.9 and the iPad2 synced quickly and easily to the MBP - fantastic! Thought I had to wait for Snow Leopard to do that.
one last question - while digging around in iPassword settings on the iPad I saw the Data Backup service - is that stored on the Mac or the iPad and when it mentions no keeping the service running for a longtime is that to prevent hacking via wifi?