parts connexion mods for denon 2900

I have read reviews of other mods for this player but I haven't read anything about a review from the PARTS CONNEXION.HAs anyone heard this player modded from parts connexion?Any owner input etc would be appreciated.Thanks
Our review on the modified 2900 can be read at:

Check it out and then call me at 770-667-5633 if you would like to order a modified unit. Walter
Not that I even know what it means, but I was reading at the avs forum that this player has a "macro blocking" issue. Does the mod address this?