One last question if a Wadia player is so good why do they have to be moded?
As an addendum to the answer above - Modders tend to choose some of the best platforms to build upon because it has the potential to show off their work on it even more than a modest component might since the construction that is already there is very stable and revealing to begin with. In a similar way you may experience this if you start investing effectively in better and better components you tend to find that your system becomes more and more revealing of any changes you make to it (at least that has been my experience). That's also the ticket to the merry-go-round, or the sure sign of a bad case of Audiophilial Nervosa. Also, in some cases, components are considered for the space available within their chassis to build into (an Oppo player does not have much room to add anything, though there are mods for them), but I'd guess that would take a back seat to the consideration of what is there already in stock form. There is probably also a psychological component as well - Folks who are willing to invest serious $ in modifying a component for better performance may prefer to be investing in a solid platform that has bling factor, pride of ownership and all that. Are you going to want to spend $1200 modifying a $170 Oppo player? None of this suggests you have to choose this direction. My experience with modded products (GNSC, Modwright, APL) suggests very strongly that skilled modders absolutely can make a significant improvement to a component. I'm sure there are also those out there who do mods who are taking advantage of this, but are not necessarily as skilled as others, who do not make a big difference. If you are considering a modded product I'd do some real-world research on what folks have to say about their experiences with those you are considering. You also may want to consider what mods do to the resale value of the product. In the case of the modders I mentioned they certainly seem to hold their value in most cases.