Thank you all very much for your prompt, detailed and helpful answers!!!
Your questions are very sensible. I'm placing a custom order; the budget really needs a starting point from what I need to run sl comfortably and then if necessary go down from there. Windows, yes. Monitor, will more likely need a new one. Keyboard and mouse can be reused. I'm in Latin America and yes, planning to buy as soon as possible. Thanks for the advice on graphics cards prices speculation; I don't think in my situation it will make much of a difference however, as they are imported and if prices go down, t