A slideshow featured on the website of the Houston Business Journal (and noted in our Headlines post this morning) features the 7 most expensive homes sold in Houston last year. Coming in at No. 3 is the full-floor Huntingdon condo unit where former Enron CEO Ken Lay used to live. 2121 Kirby Dr. Unit 33 and its mopey-castle-in-the-sky interior (shown below after the furniture was removed) was listed for sale by his widow, Linda Lay, back in 2010 and featured on Swamplot occasionally over the following years as it hopped on and off the market a few times and descended in fits and starts from an initial (off-market) asking price of $12.8 million to the mid-single-digit millions. MLS and county tax records show the 9-bathroom, 6-elevator, 12,827-sq.-ft. pièd-a-terre with the $10K+ monthly maintenance fee finally sold last February to an entity controlled by another local CEO, for a (still-record-making, but more than half-off) $5.5 million, though the list price had by that time fallen $100K lower.