Why not rebates for cpu, gpu, ssd, ram bundles.Recently there has been a lot of commentary in the Anandtech Video card forum about how Nvidia's GTX 1050 and GTX 1050 Ti (set to release Oct. 25th) will greatly help pre-built desktop increase their PC gaming capability. (re: the card does not need a PCIe power connector despite its strong projected performance).
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Ironically, my AMD desktop (Athlon II X3 435) from 2010 has an integrated on board nVidia GeForce 9200.
Here is a potential PC that with GTX 1050 Ti or GTX 1050 could be used as baseline comparison for various DIY FX + RX dGPU bundles:
$399.99 free shipping Acer Desktop PC Aspire T ATC-710-UR61 Intel Core i5 6th Gen 6400 (2.7 GHz) 8 GB DDR3L 2 TB HDD Intel HD Graphics 530 Windows 10 Home 64-Bit
http://www.newegg.com/Product/Product.aspx?Item=N82E16883101452&ignorebbr=1
It is fairly small at 27.5 liters as well (only slighter larger than the Fractal design core 1000 uATX case which is 26.1 liters. It even has a drive cage mounting system that is a very similar to the Core 1000).