If wearing that black suit is just getting old then why not spend some of your pennies with the Hitman: Absolution Deus Ex Suit and Deus Ex Zenith gun DLC which is available right now. Thw suit is not much of a disguise, you do stick out a like sore thumb.
Both the gun and suit are available now for a whopping $1.00. Watch the trailer to see what it all looks like.