Strateandlevel, whilst you are, of course, totally correct, the problem is that many people don't know the difference betwen the PPL Skill Test and the SEP Class Rating renewal Skill Test.
Basically McJiz, you won't need to do any written exams (make sure that your FRTOL is valid though) - and the only flying you'll need to do is whatever it takes to get you ready for what you remember as a 'GFT'. Although it hasn't been called that for 5 years now!