If you're new to the area, here are some websites that might be of interest
Go Philadelphia - Welcome to Philadelphia
Lower Merion Township - Township website, full of useful information
Lower Merion School District - The area's public school website
Lower Merion Library System - Website to all the public libraries in Lower Merion
Lower Merion Historical Society - On the rich history in Lower Merion
Main Line Art Center - Top-notch local art center, offering classes and workshops for adults and children, exhibitions, events, trips, lectures and camp
Main Line Philly - On some of the action in the suburbs
Main Line School Night - Things to do, classes to take
Main Line Video Guide - Your video guide to towns and townships on Philadelphia's Main Line
Out & About in Philadelphia - More links
Philly for Kids - What to do on a rainy Saturday
Philly Fun Guide - As the name implies
Newcomers and Moms Clubs Worldwide Directory - Find other newcomers and moms clubs
Newcomers Club of the Upper Main Line - Another newcomers club in the area
Suburban Square - One of the area's best shopping centers