I'll share, in italics, what I've gleaned from my test results at each site.
23andMe has a 3-in-1 DNA test for $99 (not on sale) and a Health & Ancestry test on sale for $169 ($30 off the list price of $199). 23andMe's Ancestry test is a 3-in-1 DNA test and includes some mitochondrial and Y-DNA (Y-DNA only if you are male) results, but that portion of the testing is not as comprehensive as FamilyTreeDNA's mtDNA and Y-DNA tests.
I have 1200 DNA matches at 23andMe, mainly extended family, 3rd cousins and beyond. I don't use 23andMe for genealogy purposes. I primarily follow my 23andMe test results for the health test results-they're currently the only one of these companies offering health results (you'll need to purchase the Health & Ancestry t…