Sorry for late reply.. was very busy with work..
Turkey is very rich in history.. It has history of the Greeks, Romans and more... Their historical places never failed to amaze me.. If you like historical stuffs, I believe you will like Turkey. It will be good if you spend sometime reading up before going there..
We had lots of fun there.. Hotair balloon @ Cappadocia - it was so fun, the view was so great!! Never regret paying for it. It is a MUST GO activity. Because probably in your life, there wont be any chance to sit on hot air balloon, unless you go places like new zealand, aussie, south africa..
We had water rafting and quad biking @ Antalya. It was fun. Not sure if is included in your package. Heard from my tour leader that these activities are firstly launched in our package.
People there are friendly. Services are pretty good. Maybe is because tourism is one of their main revenue.. Toilets are pretty clean also. Clean water wise, it varies from different parts of Turkey. City areas are cleaner of course, but still cannot drink/boil from tap.
Hotel wise, i would say there are good, average and bad ones.. especially one, which is still under renovations, the room is pretty dusty, water was a little yellowish.
Cost wise, things are pretty expensive. 1 can drink can cost YLR$2.50 to YLR$5.50, depends of places. Toilet needs to pay at some places, from 50 cents to 1 buck.. Shopping... NEVER think of saving all your shopping at Grand Bazaar. Because is far more expensive and is very difficult to bargain. If you want to do any shopping.. buy any souvenirs, can buy at along the way.. There are souvenirs everywhere.. every stop... and is much more cheaper than Grand Bazaar.
Food wise, almost everyday is the same.. chicken breast meat, butter rice, spaggtti, cheesey food, green salad, grilled tomatos, grilled green and red peppers, egg plant and potatos. Had 3 meals on kerbard.. bring some instant noodles just in case.
Other than Ankara and Istanbul, other places are countryside.. Travelling from place to place usually takes around 3-4 hrs. There is once we took 10 hrs. I cant rem the exact place. But of course there are toilet stops.
Weather wise, Antalya is a warmer place whereas Cappadocia and Ankara is much colder. The rest are average. The period i went, the weather just nice.. Blue sky.. cooling..
Bosphorus Cruise & Dolmabahce Palace are also must go places. Bosphorus Cruise very nice boat ride.. one side is asia and another side is europe. Dolmabahce Palace is one of the most lavishly furnish place. If possible, pay additional 6 YTL to get photo pass to take photos.
I hope my reviews helps..