BlackBerry will be hosting a mashup event for developers and designers on Tuesday, September 10th in Washington D.C. The event will have join of the best designers of the D.C. area, along with great local developers in a pretty great networking opportunity. BlackBerry hosted a similar event in NYC a couple of months back, and it was awesome.
If you're interested in registering, check out the link below. If you do plan on attending, make sure you spread the word with the hashtag #BBJamMash on your favorite social media sites.