Driverheaven posted a review on the GMC R-4 'BULLDOZER' Case
A quote from the article:
>> GMC R-4 'BULLDOZER' Case Review
Not too long ago they released their patented R series cases, the only tower chassis products utilizing a perpendicular ODD mounting design. Today we will have a look at another R series case, the R-4 Bulldozer. The R-4 Bulldozer is a tower case designed to house a full gaming ATX system, but with the minimum possible dimensions. We will examine its advantages and downsides in the following review.
>> GMC R-4 'BULLDOZER' Case Review