If you have decided to invest in a brand new instrument from a retailer, the considerations are quite different to those relevant to buying used. We can immediately rule out instrument faults and imperfections, because new purchases are covered by guarantee. So, I'm going to talk about which brands, models and retailers I would consider.
If you already have a good relationship with an independent music store in your town, then of course - go and talk with them about your requirements, but as high street stores are getting rarer, I am going to recommend GEAR4MUSIC online (click the text for link). They stock a decent range of instruments across all departments, and their service and advice is spot on.
For advice about brands and modes... keep reading: