Introducing cat to new home...

Hi all!
So I have a 5-year-old male kitty who is my BABY, but when I moved in with my now husband last year, I had to leave him at my parents' because we thought my husband was allergic. We've since discovered that he does NOT appear to be allergic to cats, or if he ever indeed was. So, needless to say, I'm hoping to bring my baby home with me! I'm just hoping to get some tips on how to introduce him to his new home comfortably. He is neutered & declawed. He's lived with 2 older female cats his whole life, which is my main source of worry. They don't pay much attention to him anyway, but I'm a little concerned that he'll be lonely here without another cat around. We do have a guinea pig, but obviously she's caged and would probably appeal to him more as a toy than a friend!
He also can be a little skittish/nervous, so I want to make the transition as easy as possible for him. Are there any suggestions anybody has to make it easier on him? Do you think he'd be okay as the only cat for a while? Thanks in advance for any advice.