I put my co2 system together 5+ years ago, it has worked fine from day one through the present. back then it was not easy finding all the parts in one place for a reasonable price. I got my stuff using 3 different sources, one of which no longer exists.
I got my regulator from kegworks http://www.kegworks.com/product.php?productid=19100&cat=427&page=1
I got a top quality inline needle valve for about $22 and my bubble counter (which imo is a necessity for making adjustments to the flow rate with the needle valve) was about $18.
Rex has an excellent rep and I would buy from him if I was looking to buy.
I got my regulator from kegworks http://www.kegworks.com/product.php?productid=19100&cat=427&page=1
I got a top quality inline needle valve for about $22 and my bubble counter (which imo is a necessity for making adjustments to the flow rate with the needle valve) was about $18.
Rex has an excellent rep and I would buy from him if I was looking to buy.