OK, well, here's my list, it's more then 10, but whatever (it's in no particular order btw ):
1)Inkubus Sukkubus - Beast with two backs
2)Nine Inch Nails - Pretty Hate Machine
3)Stabbing Westward - Darkest Days
4)KMFDM - Angst
5)Bauhaus - Mask
6)Bauhaus - The Sky's Gone Out
7)Joy Division - Closer
8)Joy Division - Unknowen Pleasures
9)The Cure - Pornography
10)The Cure - Greatest Hits
11)The Cure - Kiss Me, Kiss Me, Kiss Me

I don't have 10 but this is what I consider Holy Grail Material

1)Siouxsie and the Banshees - JuJu
2)Christian Death - Catastrophe Ballet ( although Theatre of Pain is better, but i don't have it.... )
3)Sisters of Mercy - Floodland
4)Sisters of Mercy - A Slight Case of Overbombing
5)Sisters of Mercy - First and Last and Always
6)The Smiths - The Queen is Dead

As far as Goth related Music goes, only 2 bands feature on my list, and they are

1) Any thing by cradle of filth
2) Anything Dimmu Borgir

Behemoth and Morbid Angel i like anything from them.

The Cure- Pornography is my favorite album of all time, hands down