you must have a good installer. Regardless of the quality of the siding a sorry installer will make nightmares for you in the future with a shoddy install. Some installers hire people off the streets as day labors and give them an hour of training and let them go.
Get references, see previous jobs, talk to customers, and look at jobs done three to four years ago. Heat, cold, and house movement are the culprits and these problems do not occur within the first year.
Look down this site or do a search on vinyl siding and see some concerning nailing the siding too tight against the house. The house moves and the siding bends or contorts.