Avro: A Format for Big Data

Digg will be hosting an Avro hackathon on Thursday, November 19. Sign up if you'd like to hack! <a href="http://avrohackathon.eventbrite.com/" rel="nofollow">http://avrohackathon.eventbrite.com/</a>

Can someone with more experience with these formats compare Avro to BERT/BERT-RPC? Is that an inappropriate comparison?