I'm not really looking for anything rare, just some nice looking ones or some unusual ones, I've seen a few and cant decide which ones apart from No country for old men, that's a defo.
I'd say take 100 pounds, and spend it on releases you've been wanting for a while, but haven't been able to get for whatever reason there may be. Since you're not dead set on anything major, take the other 100, and invest it in some SBs of which you know they'll increase in value, so by the time you have a new list of wants, you can buy them, or trade for them.
However, i must tell you...the upcoming KimchiDVD exclusive for Terminator 2 is one hell of a package for the money. If you even remotely like the film, or have been wanting any of the previous, long OOP/OOS T2 SB releases, that one is definitely worth looking at.