Well, couldn't pass up this deal so I went and bought a Goldberg Decathlon ARF. Have always eyeballed it anyway

. Already started to build, and am very pleased with the quality of this ARF. The only downside was that the covering was wrinkled, but isn't that the case with most of today's ARF's ? Oh well, nothing a iron and heat gun couldn't take out.
Even though everything looks pretty simple, I do want a couple of opinions from guys who have build this plane before I make any mods or screw up :
I am planning on using a four stroke OS 120 Surpass pumped engine. Has anybody build a Decathlon with a 120 ? How does it balance ? Do the servos (or maybe just the rudder one) need to be moved to the tail in order to achieve balance ? I will mount my engine inverted instead of the suggested side mounting.
I was planning on modifying the struts too and insert a blind nut in the fuse for a better and easier support of the wing struts underneath the fuse. Anybody modified the struts ?
What pushrod system did you guys use ? The one supplied ?
Any other modification needed or recommended ? Any other tips or comments ?
Thanks