Silverstars question

are they all the same color? are these the ones you guys have:
http://store.summitracing.com/default.asp?target=partdetail.asp?part=SYL-1157AST-BP
they have clear bulbs and I have seen others that have a blue tint around them, how are they different?
also how long are these expected to last?


edit- the site's being stupid, you have to search
'silverstar' and its the 2nd one on the list, SYL-9003ST-2