Help! Anyone know anything about this player? It is about 3-4 yrs old. waiting...... Fones...

Greetings.... This is my first post here! Can anyone tell me anything about the DE-551? I've been told it's very close to the 555 . It also has an optical out. I"ve heard good things elsewhere, but I am throwing this one out to the "experts"!! Let me see what you got ! Thanks !!