Some quirks of shopping at Fry's that I remember:
* The sales associates always insisting on printing me out a fairly meaningless "quote" that matched the sticker on the shelf, and having me present it at the register. I'm not sure if their sales commissions were tied to printing out quotes, or if it was intended to prevent pricing mistakes, but any interaction with a sales person always resulted in a quote.
* Watching people at the returns counter navigate through their completely arcane computer system (a text-based "green screen" in the age of the iPhone) with surprising grace.
* Perhaps the least atmospheric cafe ever built, placed smack dab in the middle of the store with no windows to the outside world or natural lighting. I don't think I ever saw anybody eating there.
* The loud background music that would play... some kind of (classical?) solo piano music that didn't fit either the Western theme or the general feel of the store. Between the lighting and the music I always left the store with a headache
Despite some of the negatives above, I always really enjoyed shopping at Fry's and would try to buy things there whenever I had the chance. What eventually ruined Fry's for me though was just the lack of inventory. I would want to buy something and Newegg or Amazon would have it in stock, but Fry's wouldn't. A couple times their website would even list an item as being in stock, and I would brave the 101 traffic to drive down to Palo Alto only to find it was actually sold out. I also eventually switched to using mostly Apple products, which offer fewer choices, are harder to tinker with, and are priced pretty consistently across all retail outlets (with the exception of Microcenter who used to run some pretty decent in-store-only sales on MacBooks before their Santa Clara store closed down).