Hiya!
Well i now have my Alfie

He is very confident and already walks round like he owns the place. I let Betz sniff him through the carrier first she was fine with that and he hissed once but soon relaxed. When they were introduced yesturday Betz wasnt sure, Alfie was desperate to say hi, then he jumped on my lap and that was it, Betula washissing and growling

i told her to behave and she went into her room and sulked, she would not come out
So today ive let them get on with it, obviously strictly supervised, there is some chasing and Betz has hissed a few times at him when he gets too close, but they are eating in the kitchen together and she will let him sit near her. She even played for 5 mins with him when she was a having a mad moment. This is my first time bonding cats, i think its important to too tell the resident cat off because like Betz they end up being in a bad mood and sulking the rest of the day!
Im giving Betz loads of attention and trying to keep her in a playful mood.... shes starting to come round and is rolling over in front of him and looks relaxed in the room with him now.
Its scary though!!! I think you should introduce them once your kitten is confident and happy in his surroundings, Alfie is 15 weeks and is very well socialised with 9 cats being in the house he was born in, 6 being his brothers and sisters! I cant believe how quickly he has settled
Looking forward to seeing pics of your kitten and hearing how he settles in.