Over at the Heidelblog, Dr. Scott Clark has completed posting his three-part series on "Churchless Evangelicals." I really encourage you to read this.
Scott deals with the thorny subject of the necessity of church membership, and with the marks of a true church. If you profess faith in Christ, then you need to be a member of a local church where Christ's word is preached, his sacraments are administered, and where church discipline is actually practiced.
It is one thing to be in transition--looking for a place to land after becoming Reformed. It is another to act like church membership is unimportant, or that any ole church will do.