You could go max dex (18+), pick versatility, and enjoyed high melee crit, very low pistol AP consumption, and equal to 14 PER Gun skills. Although you won't be able to pick most of Gun feat, since it usually need PER, but for Energy pistol, you just need Practical Physicist to adds more oomph. Also, i recommend going max throwing + Three Pointer if you could fit skill point, it's super strong on max dex build, although optimally, you also want to put 112 effective Chemistry for grenade MKV, which could melts anything when the crit proc