I've been gone for a lifetime and just started visiting/lurking YT again but I thought I'd step up to a post, just to support the Euros you understand.
Some pros and cons from:
Drs Foster and Smith - well regarded in the US, I believe.
Glad to see they use the term "castrated" - saw your other post
http://www.peteducation.com/article....&articleid=911
and
The Dogs' Trust - large UK rescue centre
http://www.dogstrust.org.uk/informat...ons/neutering/
In general, it looks like neutering of both sexes is the way to go unless you intend breeding... doh, goes without saying, of course

. Having said that I must say I had the devil of a job to persuade my vet to castrate my puppy. She was very reticent about it and asked lots of questions. In the end I had to claim it was part of the purchase contract (even though such contracts are not nearly as common here as in other countries - why is that?). We had the works: microchip, castration, one retained puppy tooth pulled and a bit of teeth cleaning. My 4 month old Maltese came through with flying colours: he was a bit moody the afternoon I brought him home but more than ready for his food and a gentle playtime by the evening. Next morning it was as if nothing had happened. He didn't pay any attention to the stitches but I had to be careful he didn't get too active in case he messed them up.
Good luck in your decision.