Week 1 has come and gone and Week 2 is coming up soon, so you need to buy that extra 4 or 5 points to up your force to 15 pts required for next Thursday and 25 points for the 3rd week. There are some links to progress so far, force composition, rules for the league, basic game rules and where to buy Warmachines.
Chris has posted up a blog update on Thrallblacks of first week's progress of the journeyman league .
Here's a guide Chris has posted for all about force composition:
Journeyman League Rules
Warmachine Quickstart Rules
Hordes Quickstart Rules
Also resources available
Privateer Press forums
Battle College Warmachine/hordes tactical guide
Some of the places to buy Warmachine:
Slave to Painting