Obviously, this makes it less scalable, but I do spend my nights writing software for 10x to automate the things we find ourselves doing more than once. (I spend my days working on deals... still working out the balance; see PG's essay about maker/manager schedules.) And one of the things that's always at the back of my mind is how to maintain the high-touch, personal approach as we scale.
And I regret nothing.
Magic? Nope. I have such system in place.
EDIT: Finally one, how are you crawling? Aggregating lists or web crawling? Tips?
I don't use it anymore, because I have a long term contract.
Unless you have a stable of subs (which I recommend -- to the adventurous, only!), how do you manage the dialogue volume?
In terms of dialogue, I searched for key terms in replies, and only replied to those that fit. I did miss on good leads, but the follow up email got me back on their mind and they would always reply.
Though I wish I could do it with someone else (a co-founder, if you will). This sort of thing could make a lot of money in the right markets. They do exist already, but most are antiquated. The advantage that I have is that I do my own email campaigns. So the emails that get sent out are actually A/B tested for performance.
I do plan to offer the actual emails that I sent to get clients for around $20 soon. Its an easy way for freelancers to get clients without much hassles. If you are interested, then shoot me an email.
Except for specific sites like elance, this isn't something I've seen much of.