I do love the logic of people on Toms- the guy is building a G4560 based machine (that's a £60 processor)- so you suggest a PSU that will cost more than the CPU in the UK...?!
That EVGA unit, whilst not great, is plenty for a budget build. I know all the dire warnings they put on here about cheaper models however if you're not overloading them it's fine (for reference I've used Corsair CX units for years and never had a failure, as I use them well within their rated wattage and don't overclock).
Whilst in an ideal world everyone would buy a 'tier 1' psu for every build, the reality is you can use lower spec units and in fact all the large oem builders use these cheaper supplies. If they all failed all the time then large companies wouldn't use them as it'd cost them too much in RMA.