buckler is ment to be powerfull, it does have its drawbacks. It has VERY short range, you can lose the buckler if you miss, people can easily avoid it since its pretty slow aswell. I do think if they nerf it, it should be that if you miss and hit something you should lose it for a whole 10 seconds instead of 5.
And lights are just weak, everything kills them. Many things are more powerfull in T:V compared to Tribes [one]. Sniper rifle kills lights with 1 shot now, it can also take a heavy to half health. Mortars 1 shot kill a medium. Gren launcher shoots MUCH faster, blaster is now a shotgun...thats just the way it is.