(2) Is there really a judgment scene in Daniel 7?

Yes there is. The following list are all the elements of a court case:

They are:

1: a Judge
2: a advocate, or lawyer (who can also be the plaintiff)
3: witnesses
4: the evidence (and the investigation of this evidence)
5: defendant
6: the verdict, or sentencing.

All these elements are found within the Judgment scene we read of in Daniel 7, which is connected to the Sanctuary of Daniel 8:

Daniel 7:9
I beheld till the thrones were cast down, and the Ancient of days did sit, whose garment was white as snow, and the hair of his head like the pure wool: his throne was like the fiery flame, and his wheels as burning fire.

Notice this scene. We have a throne (where a judge sits upon in a court case) and we have the Ancient of Days, who is God, the Judge:

Psalm 50:6
And the heavens shall declare his righteousness: for God is judge himself. Selah.

We have the second element here as well. Jesus, who is God, is both Judge AND Advocate (lawyer). Notice this verse:

1 John 2:1
My little children, these things write I unto you, that ye sin not. And if any man sin, we have an advocate with the Father, Jesus Christ the righteous:

Daniel 7:10
A fiery stream issued and came forth from before him: thousand thousands ministered unto him, and ten thousand times ten thousand stood before him: the judgment was set, and the books were opened.

Here we have THREE of those elements:

A) Witnesses (the angels, or, "thousands thousands, ten thousand...")
B) The Evidence (the books)
C) The Investigation of that evidence (why else would they be opened?)

Daniel 7:11
I beheld then because of the voice of the great words which the horn spake: I beheld even till the beast was slain, and his body destroyed, and given to the burning flame.

Finally, now we have the defendent and his sentancing. The defendent is the little horn. He is found guilty, and his sentancing, or verdict... is death.