hi bieke,
if i were u i surely wouldnt sell them right now, although u offered Y-D-B.com w a $250 BIN... if u really need the money this is a reasonable value for it right now
otherwise, dont sell it cuz their value will increase a lot in some yeras (maybe in 3 years?) who knows?
the fact is that they will be sold for much much more than today
a value for ur L-L-L.com is difficult to say... to have an idea of some values check this thread
another point is: who will buy ur L-L-L.com?
if an end-user buys it, probably u will sell it more expensive, especially if the end-user send u an e-mail instead of u e-mail this end-user
if u sell to a reseller the price will probably not be like those u would sell to an end-user
hope this help