well it should if the computer will only be used for the forum but it will be crapy and slow if its on a home connection.
i brought a server a few weeks ago and i will be installing da on it when my adsense money comes throught so next month or something and if you want host i can sort it either with a ad or cheep cos i need to make up the costs some how.
email me a
kingofthemods@gmail.com if your inteested and i will see what i can offer you and what you want.