I always look for some inexpensive item to add to my list. A cool color pen, or colored paper clips and on my last order I came across these
http://www.staples.com/LEE-Tippi-Size-5-Medium-Micro-Gel-Grips-10-Pack-Assorted-Colors/product_372851?cid=PS:GooglePLAs:Office_Supplies:Mailroom_Equipment_&_Supplies:372851:61050 micro gel finger tips, work great if you have fake nails or a nice manicure and don't like those plastic finger con*oms!
Even pretty sticky notes make my day....