Ya.  It is.  I only recently became interested in cashing some fraction of my holdings so I tried to get verified.  Mt Gox rejected my verification on some pretty bogus reason (my ID contained a P.O. Box IN ADDITION to my physical address as is common in my area.)  They either overlooked something or are making excuses to limit withdraws or avoid US customers or something.

But anyway, looking at the divergence in spot on the different exchanges for the first time in a while, I have to conclude that with the price so much higher on Mt. Gox, people are paying a premium to use other services for obtaining fiat.  So the problems may be significant.  Whatever the case I thought it prudent to withdraw some of the BTC I had with them while I wait for a response to my verification issue and look around for other options.  Here's what happened:

I received a transfer ID before I hit the submit button.  When I did, I got a red error message saying: "Limit reached or not enough bitcoins in your account."  Non-the-less the entire amount (around 50BTC) did to to my working blockchain.info wallet.  The 'beep' from blockchain.info happened immediately and it's labeld 'unconfirmed' at the moment (about 10 minutes after the fact.)  I had selected to pay a transaction fee.  I did not select 'green address', and blockchain.info shows 4 addressed from which the payout originated.

I would have thought that Mt. Gox would have some of these UI bugs by this time which is what this looks like to me.  Oh well.