Various Cryptic Crossword Questions

[Billy_Bonka]

1- Performance by a Victorian artist showing great power (9) ??????T?S?
2- Observed to be twisted inside - hence given a new assessment (8) R???A?E?
3- Court silly gal? The thing she's afetr may be dreamy (13) ??O?G???E?I??
4- Do badger someone to provide information (8) ???E?T??
5- The pupil filled a cup with water (7) T?????E
6- Explorer, at a pinch, captivated by royal bird? (9)
??M???H??
7- Real ignoramus, but we educated him (5) ??R??
8- Arch emperor - not second in rank, thanks! (9)
????I?U??

Many thanks for any help.

[netkey]

6 Frobisher (2d = rhone)
7 Tweed
8 Gratitude

[tyrepill]

1 Gigawatts 2 Regraded 3 Woolgathering

[tyrepill]

4 Dopester

[johnalex]

5 TrainEE

[BigMac]

3. This is what I think, but haven't done the x-word so don't know how it fits with the rest of it....

Court = Woo +
Silly (changed) gal = LGA +
The = THE +
Thing she's after = RING

= Wool gathering (and I assume the dreamy bit is counting sheep....)

[ulysses100]

2 regraded with an internal twist becomes regarded

[ulysses100]

..i mean that the other way around

[BIANCAMOREL]

dash

[BIANCAMOREL]

dash