Check in at the security desk to get access to the 29th floor. This usually isn't required for official events and meetups.
New Relic's meeting space has moved upstairs to the 29th floor. The stairs between the 28th & 29th floor aren't complete yet, so you'll need to use the elevator.
Take the elevator to the 28th floor.
This month there will be talks on Angular and Grunt. See https://github.com/PDXNode/pdxnode for up-to-date discussion on topics.