Don't know if it's been mentioned yet, but if you go on reddit there is a subreddit somewhat similar to this thread (semi-hipster warning though).
A lot of it is just hyping desert boots and button downs, but there are usually some other good discussions. Check out the sidebar for some popular topics.
RedditMFA
Also, there's one for clothing deals, but it gets much less traffic than MFA:
Frugal Male Fashion