BLind wrote:so we'd have ??
riflemen
m16/m4, c4, grenades
grenadier
m16 with m203, smoke
sounds gd to me although it might make standard infantry to powerful against armour in streets, so maybe just 1 pack so it requires a number of riflemen/team effort to take out a tank, maybe giving a few packs of c4 to the engineer class aswell.
Yeah, the armor would become extremely vulnerable, but unsupported armor IS extremely vulnerable to infantry, especially in an urban environment, and the game is lacking a lot of the basic anti-armor tools that infantry units carry with them, like AT-4s or RPG-7s, for instance. Throw in the fact that the AT weapons available, and the tanks themselves, aren't modeled correctly, too.
The game has enough elements in it that you could make a pretty damn good infantry shooter if you got rid of the jets and remodeled the choppers and armor, but it will never be able to be much more than an arcade game as far as the aircraft and vehicles are concerned. So I think you have to go with your strengths and try and make the infantry component as realistic as possible.
Tanks and AFVs could still be extremely useful, especially at longer ranges, but tankers would really have to think twice about moving in urban terrain without infantry support to cover their flanks and rears. The capability of the C4 against armor would have to be toned down quite a bit, too, but I think if you put a bunch of them down you should still be able to take out a tank. It's not exactly realistic, but it would help balance it for gamplay purposes and keep infantry from being utterly helpless against armor while making the tanks, for their part, play as elements supporting the infantry unit, not stand-alone cap whores. If there was a way to implement mobility kills with the C4 instead of outright destroying the tank that would be the way to go, but I don't know if that's possible and I kind of doubt it is.
I like your idea of giving C4 to the engineers, too. I'd love to see a vehicle/aircrew class in the game at some point armed with nothing more than a sidearm and with no ability to cap OBJs. Make it so only those guys can operate AFVs or aircraft and that they can't capture the objectives and you'd see a lot more cooperation between armor, infantry, and tacair. I don't know if that would be possible, either, though.