I have to agree. An African tank for a few Discus. But I would get rid of your current stock. Take my advice, it is a head ache waiting to happen just mixing fish.
. The first problem is that discus won't stay under six inches if cared for properly...my adult discus are about 8"+ . They would definitely work with the stock, but to have happy/healthy discus it's quite a bit of work and quite a bit of money to get quality stock. If your going to go discus be prepared to spend some decent $$$. He may be able to do it but an updated list of what his current setup is required to determine if he needs more advise. Sorry if im coming off as a bit of an douche, but I'm just trying to give decent advice. The jump from swordtails and platies to discus is quite,well, large...

I just didnt want you to think that I was insulting your knowledge about fish keeping! I like your choice to go for a cichlid tank;should turn out nice!!!!!!!also pidgeonblood i don't think your being a douche at all. i like the fact that your being straight forward and serious. i do have enough experience and knowledge to take on discus but i am not intrested in starting a discus aquarium at this point in time.