I was thinking of picking up Cargo 5 for the Nuclear cars, but it seems they only have a decent showing of Preston to Crewe, which I don't have.
Love a sale! Grabbed the BR147, it's a steal with the bundle discount, and gives variety to the Stuttgart-Heilbronn route.
Nuclear is worth it for a fiver - the 20 is pretty nice (scarily clean inside - are they *really* like that now?! ), seems to have had the initial issues cleaned up. Also picked up the XC 170 to liven up New Street in the original cross-city DLC. Both good buys (at those prices) IMHO.