For those people who don't shave during Sefira, this Friday is an opportunity to shave. Because it is both Rosh Chodesh and Erev Shabbos, the Mishna Berura (סימן תצ"ג ס"ק ה) writes that since there is additional simcha of both Shabbos and Rosh Chodesh, even those who are noheg not to shave from Pesach until Lag Baomer are allowed to shave on this Erev Shabbos which is also Rosh Chodesh.
In previous years I have always forgotten and when I came to shul Friday night and saw the shaven faces I kicked myself. This year I don't plan on forgetting and am going to trim my beard nicely (it doesn't seem worth the effort to shave it all off).