Well at this time I'm eating roughly 300-350g Protein a day, 250-300g carbs a day and about 40-50g Fat.
Does that look like a good balance or could I drop the carbs down to 200g and still get away with it?
I'm really not a huge carb fan, so IMO you could cut carbs back to 100 grams, but always make sure that you maintain your overall cals by replacing those carb cals with protein cals and some EFA cals as well.
If one has a very physical job as well as doing cardio and intense weight traqining then one could take in more carbs as well as cals to make up for the extra energy expended. I've had to increase QODs carb intake due to her new job which is VERY physical (unlike her old job), so rather than the 30-50 grams per day she used to get she now gets to enjoy about 100-150 grams (at this time!).