I'm at the end of my week and a half of IO's.  I'm so over counting stuff.  Here are a few hilights (I really don't mean to be always complaing about my job, because I do like it).
New Year's day I was counting food items at a local restaurant chain.  At 6am.  I had gone to the YSA New Year's dance, come home and slept from 2-5am, then got up and worked for 5 1/2 hours before taking a nap from noon to 3.  Who says public accounting doesn't come with a fabulous work-life balance?
The next day (note, I worked 2 firm-wide holidays in a row), I counted medical supplies in a warehouse in Vancouver.  I at least got to push it back a couple hours in the day because there was snow when I woke up, and I'm only willing to get in the one car accident for the firm.
Monday, I got to go in a clean room for the first time and count stuff.  After the novelty of the suit wore off, I was just kind of hot and sticky.  This IO spilled over into the next day because we missed a section of the inventory the first time.  So that makes 3 workdays in a row I got to drive to WA.  By now I'm a pro at suiting up for a clean room (the 2nd day I got to go in twice due to the thoroughness of my auditing skills).  Sidenote, if I were a practicing Muslim, I'd need to really step up the eye make-up because my current routine doesn't do a lot for my face when only my eyes are showing.
Wednesday, then again Thursday for half the day, and Friday for half an hour, I counted airplane parts in Hillsboro.  Last year this IO supposedly took just half a day, but oh my gosh it took me forever.  Some of that stuff was seriously hard to count.  I was crawling all over boxes and practically laying on the ground to see some of it.  Totally covered in dirt by the end of the day.  I suspect ghost-ticking or eating hours last year, if you must know.
Then one of my managers got me off the last IO I was assigned to for 2 days so I could finish the airplane parts.  It would have involved counting plants and trees at a nursery and lots and lots of mud.  Good story I'm sure, but I'm happy to have been spared the experience.  Now bring on busy season!