The Koren RCA Siddur-- Ashkenaz

The NEW RCA Siddur - Siddur Avodat HaLev is a full siddur for Weekdays, Shabbat and Haggim. 
 
Five years in the making, this outstanding Siddur from the Rabbaim of the Rabbinical Council of America features:
 

Fully Contemporary translation

New commentaries utilizing classic as well as contemporary Rabbinic and traditional sources

Additional prayers for life-cycle events and the modern observance of Yom Ha'atzmaut and Yom HaShoah Yom Yerushalayim

Complete Sefer Tehilim

Supplementary essays by classic and contemporary Rabbis

Appropriate female textual and grammatical formulations where needed

Rabbi Basil Herring, Editor in Chief, in conjunction with other outstanding Rabbaim of the RCA

 
The Siddur Avodat Halev is the new standard Siddur for RCA Synagogues for generations!