i would say the 22lr training rifles are worth a lil. more then the mosin carbines.
which mosin carbine do they have? -m44-m39-ect.
if the 7.62 mosin is an all matching polish rifle,250 is a pretty good deal...i did manage to purchase an all matching m44 polish mosin off gunbroker for $100bucks a few weeks back.
might wouldnt hurt to shop around,but if ya got the ''gotta have it syndrome'' why not get both?