Did you get your name from king of the hill by any chance? lol
Anyway...
What do you mean by a diet that 'works' while on a cycle? I don't know if you're asking for specific meal ideas or macronutrient ratios, etc. Also, by diet, do you mean losing fat is a priority?
Generally,
Caloric surplus = weight gain
Caloric deficit = weight loss
The better quality the food (healthy food) the better your results will be. I'm sure you know this. (at least I hope!)
Anyway since you're asking for opinions, here's mine:
I personally like John Berardi's 7 habits:
1. Eat every 2-3 hours, no matter what. You should eat between 5-8 meals per day.
2. Eat complete (containing all the essential amino acids), lean protein with each meal.
3. Eat fruits and/or vegetables with each food meal.
4. Ensure that your carbohydrate intake comes from fruits and vegetables. Exception: workout and post-workout drinks and meals.
5. Ensure that 25-35% of your energy intake comes from fat, with your fat intake split equally between saturates (e.g. animal fat), monounsaturates (e.g., olive oil), and polyunsaturates (e.g. flax oil, salmon oil).
6. Drink only non-calorie containing beverages, the best choices being water and green tea.
7. Eat mostly whole foods (except workout and post-workout drinks).
So what about calories, or macronutrient ratios, or any number of other things that I’ve covered in other articles? The short answer is that if you aren’t already practicing the above-mentioned habits, and by practicing them I mean putting them to use over 90% of the time (i.e., no more than 4 meals out of an average 42 meals per week violate any of those rules), everything else is pretty pointless.
If you plan on weight gain, I'd throw in whole wheat/whole grain/brown carb sources whenever.
EDIT: whoops, sorry I didn't read your second post about bulking. Same things still apply though. Hope it helps