Certified GKH Gardening Expert
The reason you get conflicting info is because they both have their advantages. North/south is best for if you will be growing mainly in the summer as you will get a bit more sunlight. East/west is better for growing crops in the spring and fall, as it can help keep away frost a bit.
Either way, the advantages to planting orientation are only slight. You are best off planting in a way that is convenient for you.