any thoughts on what else i can try?

I guess you could try fixing the module (... it looks broken to me). On Windows Vista, I'm getting the same as you when I run test.pl:

1..1
ok 1
Net::CDDBSearch=HASH(0x2eb164) >> Calling _get_albums();
Net::CDDBSearch=HASH(0x2eb164) >> Calling _get_url();
Net::CDDBSearch=HASH(0x2eb164) >> URL: http://www.freedb.org/freedb_se
+arch.php?a
llfields=NO&allcats=YES&grouping=none&words=Megadeth&fields=artist
not ok 2
not ok 3
not ok 4
not ok 5
[download]

I expect the output would be the same on all operating systems, not just windows.
The get_albums_artist and get_albums_album methods seem to be doing their job, but the albums method is not doing what it's supposed to do - perhaps this is the result of some re-structuring done to the website from which the information is being retrieved. I haven't checked.

Cheers,
Rob

UPDATE: Don't be fooled by the 'PASS' reports from the cpan-testers. The first and only report that I checked, while purporting to be a 'PASS', should in fact be a 'FAIL'