Ask, and you shall receive!
Actually, this is quite timely, as a couple of my credit cards have slight negative balances due to overpayment from when I paid them off. Glad to put one of those to good use!
EDIT: Aww, heck...this place is worth using 'em both! I probably spend more time reading on this site than any others these days, anyway. What you and the S4GRU staff do for all of us here is truly appreciated!