Its been I think about another 48 hrs since your post, can you give any more detail on the time to payout ?
I have done some more mining, didn't just give up, and currently have 0.9+btc in your queue, but the queue still seems to be getting bigger, when what I was due was at 0.3btc it wasn't so much an issue, but as it now climbs towards a full bitcoin it does focus the mind a little, and the current queue and payouts do not seem, on the face of it to have started to diminish.