[HeavyBoom]

Should I get this card? It is under $20 or would I be better off to just buy a better card now. I was thinking of using this one at work where I don't want to spend alot of money on something I may not get back.

 

[WiR3D]

for headphones the DG or DGX

 

[PurpleAngel]

Asus Xonar DG (& DGX) really good value.
Should be fine for your use.