Anyone try DIY HRAM DAC upgrade for Denon 3910 ?

Hi all,
I have an old stock Denon DVD3910 and want to use it in my 2-channel system - HRAM ads has close out $199 (was $550)- I wonder if this swap-board dac worth $$. I was try to find outboard DAC like Bel Canto DAC1 or 2.
If anyone has try this dac board on your Denon 3910 please post your comments
many thanks