mine was from genting holidays too...but its the Korean agency that is good, not SG ones. I remember the one I went is call Zhuo Ren tours in Korea. The korean tour guide is a China chinese and unlike what cookiez had encounter (might be different agency), the guide see people one. Those that are more likely to give tips he treats them better.
If u r going on honeymoon, my advice is, don't leave any gaps to make it a bad one. Even though the most expensive tour package still cannot guarantee no hipcups. If at any point in time u try to save and there is hipcups - good luck to u, unless your wife is really very understanding or the money is not from you solely, else many friends I know who try to save on honeymoon tour packages, either compensate in the future for a tour round the world or go europe for at least 2 weeks! Worst is u get nagged everytime when there is a similar situation coming out....eg. if your relative going for tour, she will dig out and say last time her hubby try to save $$$ end up eat no good, sleep no good etc etc....
Having said that, not saying all wives will be like that lah, but if u want to do things sweet sweet, esp. its honeymoon only 1 time, better choose your tour wisely. Be it packaged or free & easy, unless u are a good navigator, negotiator, know their language and have excellent human relationships with strangers, the latter can be worst than u can think of.
Even travelling almost every month for a decade now, I still cannot say I'm very street smart and travel savvy. There are always lots of logistical things to make your tour sucks....for eg. in Korea, my biggest headache at that time is money and sleep. There are practically no credit card machines in shopping stores and the whole of itawon in Seoul only have 1 Visa machine where I can drew cash!
But that was a couple of years back, now could be better. Also if u go to Jeju, I remember that time my hotel got no pillow one. Have to sleep on the floor and its suppose to be a attraction in that hotel. But our heads are too round so no pillow cannot sleep. Endup stack our clothings to rest on.
Anyway, I know some tour agencies can arrange for honeymoon packages either as a group of honeymooners or have less people and visit more interesting places for people of your age and purposes. I remember my time have 2 places that are more for kids than adults - one is lotte world and another Everland. Unless u have small kids and have not been to disneyland, it can be quite boring for adults. Old people go even worst, practically nothing they can play. If u are into Korean soaps, then maybe u can go to the actual places to see where some of these soaps are filmed in...especially the love dramas. I was quite envious of these Korean teenages lovers at least they have more places to date each other compared to SG.
The worst will be your tour members consist mostly of old people, kids or teenages and only want more rest, toilet break, shopping, playground, visit temple etc....at least my time is like that, now I think because of the korean dramas, u can expect people wanted to get korean fashion shops or go to where Da Chang Jin or Shu Tong Yao filming venues.
My experience is if u are in a normal tour, try to find out the group size as well as the age group. That is why nowadays I never want to go to a tour package unless its really very cheap.
Hope that helps!