**Ok so the typicals are :
Beautiful Pocket Quran *Guess Perfume *Surprise Dinner at a Luxurious Restaurant *A new set of tie + shirt *New watch (like Rolex or whatever) *New mobile * Give a very nice atmosphere, changing the sheets, pillowcases, small decorations and on his return, candles everywhere in the house * *Portable DVD player *Laptop essential kit
*.......
Don't know how much you can spend or would it be more creative or something luxurious...
It is something he might not even notice.