welcome to the forum
A bit of mixed signals here, you said you look for lugers religiously, but then came across this one with 15 mins to spare
Actually, hundreds of lugers for sale on any one day, gunbroker, auction arms, guns america (some repeats), this forum, Jan Still's forum and many other gun sights, and this is not counting the hundreds that Simpsons, Legacy, Pre-98 have for sale (all upper end dealers).
Biggest thing is take your time, buy books, study, see what era you are interested in.
if just a luger, well you got one for a decent price, should clean up a bit.
Congrats
Ed