It's a $10,000 ask (50% of the XLs price) to go from barebones (XL) to fully optioned (Lariat Lux) between hybrid Mavericks.
I've seen plenty of threads asking for advice between upgrading from XL to XLT, or XLT to Lariat, or XLT Lux versus Lariat non-Lux. In these cases, what is being asked...