Sadly my build is on hold at the moment as my first DS5 case was a lemon with three faults - severed wiring on the fan controller where the fascia had pinched it during assembly, a twist to the frame of the case so that it rocked, even with the side panels on and poor adhesive on the soundproofing on the main side panel causing the sound proofing to peel off. Ah well - a Friday job as they say. It will be going back to QuietPC tomorrow for exchange.
I have been looking at the case sidewall for tube radiator mounting holes and they seem to be pretty thin on the ground. Is it usual to have to drill cases for these kinds of fittings?