Yep very true, I’d say its down to differences in scale (i.e. far bigger market), differences in tax and import duty etc.
For many years I settled with using Dell in the uk, buying from their ‘factory outlet’, which offered discounts on systems that were cancelled/returned etc. Pretty sure they weren’t refurbished as such, just that the buyer cancelled after they were sent out for some reason. Due to this they were unable to resell them as new, so offered a pretty nice discount on them. However its very hit or miss as to whether you can find one with the right specs and features, plus you can (or couldn’t) make any further changes to the spec.
Main reason for going with Dell was they offered a decent service at the time, sending out technician the day after delivery to replace a dead DVD drive for example. Unfortunately I don’t think their service is up to that standard any more. So for my last PC (i think 2010) I looked for a different supplier, but found it quite difficult in the uk as there aren’t really any well known brands/companies. In the end it came down to two companies that seemed to have a good reputation Overclockers uk and Chilliblast.
In the end I went with Overclockers uk as i’d bought a few bits and pieces from them in the past. They aren’t perfect, but they do at least have some level of customer care that have sorted out the few problems i’ve ever had with them (e.g. returning a monitor after a couple of weeks that developed a fault). Overclockers is also great for building your own PC and they have a very active forum.
One thing with Overclockers is they have frequent weekly best buys, so its worth looking for a couple of weeks or checking the forums to see if there have been any discounts on the type of system you are after. I’ve found their prices to be very reasonable for pre-built systems.
Personally I’d advise against building your own, especially if you don’t have much experience. For me, the smal savings you can make just isn’t worth the time you’ll spend making it, nor do you get the peace of mind of returning a pre-built system if it breaks down, instead the onus is on you to find the faults, taking it apart etc.
Plus these days is pretty involved, making sure you get compatible parts, requiring substantial research, which again wastes time, where you could be earning money. Of course you could go with someone else’s, build specs, but then you may as well just get pre-built.