i would get a better gyro than that. i would stay away from those align/telebee gyros. i had an align500 and it sucked royally.
look into futaba gy240 or 401. used is fine. you can probably get one for under $100.
other options include the CSM 200 lightened version or other high end CSM.
this is CRITICAL.
a good gyro will make it MUCH easier to learn because you wont have to do ANY tail management (barely). it's almost like sim conditions in real life. the gyro will almost fly the tail for you as a beginner
check out this:
http://www.trextuning.com/buyersguide.htm
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motor choice should match your battery choice before even considering your flying style. if you dont want to buy $80 batteries then you need to consider a low amp motor. NEU motor is probably a safe choice (has super low amp draw and 3d power).
i would say either castle or hyperion ESC get the job done (i personally trust neither for BEC reliability) only the kontronik jazz
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i love the simplicity of the x400's ECCPM setup. the trex has still got that complex mess of linkages and arms unless you buy an aftermarket frame with direct swash control.
check out some x400 combos:
www.rc-toro.com
i would go for the base kit + CCPM upgrade and then buy components from there.