Build help please for a newby

1. What is your budget? €600-800

2. What will be the main purpose of the computer? Media server, run a few IP cameras. Small amount of gaming, mainly flight sim fsx. Would probably want to use 2 monitors at times

3. Do you need a copy of Windows? Yes

4. Can you use any parts from an old computer? Have a 10 year old PC lying about. Not sure what I could use, maybe DVD rw?

5. Do you need a monitor? Not at the moment

5a. If yes, what size do you need.

5b. If no, what resolution is your current monitor and do you plan to upgrade in the near future? [1920x1080/1440x900/etc.] Will use HD TV, would like to add another monitor for flight sim

6. Do you need any of these peripherals? No

7. Are you willing to try overclocking? Not too sure about this one

8. How can you pay? Credit or debit card

9. When are you purchasing? Asap

10. If you need help building it, where are you based? Dublin/Meath

Thanks, this is all very new to me so any advice is really appreciated