Boy, I am practically on the same path as you! I started out with Holosync also, but found out that I like the guided meditations better.
The market is HUGE for all these different strategies. I think it is like exercise, important to pick one that works and is fun and "feels" right.
For me, I have found learning strategies to fit with my value system the best. Both Paul Scheele and Jeddah Mali have become my favorite gurus on the scene. I am also going to look into "The Work" by Byron Katie.
I think manifestation is really cool, but without the values that my mentors have, I fear it could be very abused.