My concerns . . .
Normal Rounds
* Too innacurate and not damaging enough against most bandits or authority, who are either frequently armored or ducking behind cover or both.
* Not as rapidly lethal as the shotgun against mutants. Also, the accuracy really drags down your score in Mutant Bash TV. I got 35% my first time w/ the assault rifle and 90+% my second time with the shotgun.
Feltrite Rounds
* They do OK damage to bandits, but that still doesn't solve the accuracy problem. Every time I've gone up against the authority w/ feltrite rounds I've wished I had authority x2 rounds instead.
* A waste of money against mutants; shotgun shells are way cheaper and way more effective.