Kind of overkill having towers as your rears to be honest, especially if you don't intend to use it for music much. I know you said to stick to Amazon but if I'm honest the reason you gave isn't a particularly good one. Any reputable Hifi shop will offer free returns lasting a few weeks, and a bit longer than that on returns/replacements/refunds for faulty goods. I know Richer Sounds for instance will take returns for whatever reason (including no reason) for up to two weeks after purchase, plus an extra 2 weeks to get the product physically back to them. They offer great customer service and usually go a long way to build good relations with customers. The reason I say this is mostly because Amazon.co.uk has a pretty shitty stock of speakers. If I were in your position I'd probably get this Cambridge Audio speaker package. You'd save a bit of money over your current selection but not suffer any loss in quality, which would allow you to get a slightly better receiver. Richer Sounds has a great deal at the moment on the Denon 2200W, for instance.