I think 2 cats is double the pleasure, double the fun! Actually, hard for me to remember back to the day sof "only" 2, lol.

These brothers are young, adorable and used to being together. That will be great! Just be sure to -
- get copies of the vet records
- get something signed by this person saying he is giving the cats to you. Then YOU can go directly to the vet they have been seeing and learn if there are any issues. This will also help if he can't find the rabies certificates; you can go to the prior vet and get copies.

I learned the hard way when I adopted Ruffles from a very nice woman. The woman was elderly, moving into senior living and could only keep one cat. I already HAD Ruffles, and when I went to the vet, naturally they wouldn't give me a thing without proof. Fortunately, it was just a matter of me phoning the woman, driving back to her home, having her sign a paper I wrote up myself. There really wasn't any "problem," just time and such. Once I had that, the prior vet's office gladly gave me what I needed, answered my questions, and so on, no troubles at all.