The Battlestar Galactic finale was a great mix of action and triumphs with a bit of sadness, and was a superb ending to the best SF series in recent years.
Some links to TV critics and news:
TV Guide
Maureen Ryan (Chicago Tribune)
Multiple part post with: Ron Moore Interview, Remarks by Edward James Olmos, Mary McDonnell, Ron Moore and David Eick after the finale screening on March 16. , A few words from Mary McDonnell, Maureen Ryan's Review
Alan Sepinwall (New Jersey Star-Ledger)
Jevon Phillips (LA Times) - Review
Television Without Pity - A very vitriolic review
TV Squad - Review