Dedicated Server Slots

Hello there Facepunch,

I was just wondering how many slots I would be able to host with this dedicated server:

Dual Quad Intel Xeon 5420 (8 x 2.5Ghz)
100Mbit connection

How many slots could I put on each core, and how would it perform?

SRCDS can only use a single core to begin with. What gamemode do you plan on running?

Plan on running TTT, and Clockwork servers, plus a few random servers/test servers to play around with. Also I know SRCDS only uses a single core which is why I wondered how many slots each core would be able to take.