funny you should ask....
I have my hands on an old style sig P-220 .45 for sale at a ripe price, the only issue for you is.... Drundel has right of first refusal....
Swing, if you are looking to go new, I have a buddy that is an FFL and will get them for me for pretty much cost. I bought a Walther .40 about 1 year ago and he got it for around 500 which was over a hundred less than i could find it anywhere else.
have you tried gunshows ? german made walther 40's go for $500 bucks down here at gunshows... remember, the larger the deal, the lower their price from distribitors....
why do you want a glock when there are so many fine handguns out there now ??