@Harold - Thanks for the post, it was an exciting event, and were glad to get such an overwhelming response.
As you mentione we (Spheric) are looking to hire 20 developers over the next 16 months, and have already completed over 20 projects in Rails.
@Gilber: I do agree that companies should review other technologies when evaluating any application development, however we see scalability as a mute point. Companies like www.twitter.com, www.yellowpages.com and most Web 2.0 start-ups have chosen the Rails platform, and have scaled to over 600 request/seconds.
http://weblog.rubyonrails.com/2006/3/16/the-adventures-of-scaling-a-case-study
This topics would be a great subject for a technology debate at one of the upcoming CyberSocials ( http://www.cybersocial.ca ) - It would definitely be interestly/healthy for the community. Count me in.