$25 Spark Plugs for 91 200 tq?

[BrubakerR@aol.com]

     My 91 200 tq has been a little sluggish of late - slow starting and
stalling out during slow turns.  Thought I would change the filters and spark
plugs to see if that made any difference before taking it in to a dealer for
service.

     Maybe this was foolish, but I bought the sparkplugs from the dealer.  I
wanted to be sure that I got the right ones.  He gave me Bosch F5DPOR's and
charged me $25 each.  When I questioned the price, he said that they were
platinum and pregapped.  I can still take them back if there is a better to
get plugs.  Thanks for any suggestions.