If you get the latex ones, they are difficult to patch. They are very thin, so are more susceptable to thorns and general debris/damage.
Due to latex being more porous, they don't hold air as well in higher temps, so you have to pump up your tires before every ride.
They cost 2 or 3 times as much!
L8R
__________________
"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, What a Ride!" - unknown
"Your Bike Sucks" - Sky Yaeger