Mavericks installed my MacBook Pro with no problems, yet.
Here’s the list of Mavericks compatible Macs
iMac (Mid 2007 or newer)
MacBook (Late 2008 Aluminum, or Early 2009 or newer)
MacBook Air (Late 2008 or newer)
MacBook Pro 13-inch (Mid-2009 or newer)
MacBook Pro 15-inch (Mid/Late 2007 or newer)
MacBook Pro 17-inch (Late 2007 or newer)
Mac mini (Early 2009 or newer)
Mac Pro (Early 2008 or newer)
Xserve (Early 2009)
Enjoy the speed increase and better legibility. As ever, call Appel if you have any problems and always make sure you have an up to date backup before you start.
Not sure of the date of manufacture of your Mac? Email me at firstname.lastname@example.org with the serial number and I’ll let you know.