I have used this coupon 2 or so times a week for 3-4 consecutive weeks in Phoenix; the waitstaff all know me, have my favorite table saved, and are always really nice to me.

I typically reserve a table for one at 4:30 or 4:45 and am out of there within a hour. Last night I had the $25 salmon and left a tip of over $7 so the total bill was $13 something, still a great deal; with the M+S frequent diners club I'm on track to get a free $50 gift cert.

Don't be too cheap or they won't make this offer to us anymore- I always order more than $20 and leave a big tip...