New BLOG with informations about Load Balancing and Routers found today.
Interesting, I'm using myself an apache as a load balancer for some oracle forms services. We also use load balancing routers for our XML Gateway, it's a Layer 7 (L7) component. Very good hardware, but kind of expensive. I think it's only for professional purposes. I don't see a usage for small business.
What about "the cloud" - could this be implemented within Amazon's or Google's cloud applications? how much would it cost to run it there.
I'll do some further investigations on load balancing routers within the clound ...