The reason DigiBuy shows that message is because at certain times of the day they are very busy, they are a fairly large mechant dealer and have many customers. It is better for them to give you that message than charge you the wrong amount don't you think

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As for button sets, vBulletinGraphics will be making a return soon, both myself and xelation are working on many button sets for it ($5.00 per set - quality graphics), so that is something to look for if you are still in need of them then.