Mac,
from what Ive heard/read been advised from peeps that have had one or got one they are pretty good straight out the box
Almost all that have parted company have put it down to the weight, not a prob for you!! lol
heres a long but worth while read mate
http://www.shooting-the-breeze.com/forums/showthread.php?t=18782&page=5
another hnest review,
http://www.ctcustomairguns.com/hectors-airgun-blog/a-yankee-tune-for-the-walther-lgu
I think if xmas and the misses hadnt wiped out my stash i could have been very close to getting either the lgu or lgv in the new year