Laura, I purchased this on Ebay for $40, shipping included. 2013 Fetal Doppler Heart detector Baby Sound Heart Monitor Free GEL 3Mhz probe-1 http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=251168251317
Thanks everyone for your comments. My hubby ordered the Sonoline B for me on Ebay as a Christmas present.
A nice gift! Have fun with it Laura. Rate it compared to your prior after you use it if you don't mind.