Yipee I am Eligible. Now what?

Qualifying for the points is just the start so do not jump. You have a mini mountain to climb and then a mount everest to climb. Mini Mountain is getting the Tier 1 visa stamped and Mount Everest is getting a well paying job in the UK.

I not am eligible what next?

You may not be eligible at this stage because of your points on being sufficient but your situation can change in future hence continue to read...

I want to work in UK. How do I start?

Read through the website
http://www.bia.homeoffice.gov.uk/workingintheuk/
Check which visa will be applicable for yourself.
If you want to apply for Tier 1 or HSMP visa
Check if you are eligible from
http://www.ukba.homeoffice.gov.uk/pointscalculator