Wing tips or not? I decide not to use them based on what CHM says. He have tried both. A lot of excellent information in prev Laser 3D topics... do a search.
Rudder servo in tail or not, for me that was just a CG issue. If your Laser is nose heavy put the servo in the tail.
Only thing so far i don´t like is that big Irvine muffler... its heavy, and the t servo is located on the same side. I had to put 20+ g led in right wingtip.
Macs muffler is on the buying list, I will save 50g muffler wight and some led.

Relevant topics: http://www.rcuniverse.com/forum/sear...mitbutton=+OK+