It takes only 15 minutes to learn to thread the machine. These three videos cover the techniques in detail.
The manual for the Elna Diva is in paper only and resides next to the machine.
Universal needles are great, but a specialized needle will always give you the best result. Below is the difference between common machine needles.
Think your needle doesn't matter? Check out this guide for sharp tips on choosing the right needle for your project.