Welcome to a very sweet ride!
The "twofiddy" has had lots of local fun so far and am planning a longer trip up to Alleghany State Forest this summer.
I've found the bike performs well stock but some open the air box and rejet for a little more power. I haven't seen the need yet - but there are several big brothers in the stable to satisfy those urges.
Some sites I've found useful:
KLR250 Looking for a new home