My is very solid and most keywords are taken with the my prefix. It is perfect for end users since they love the personal way it sounds..
In most cases, I prefer my over e, exception is made in internet related products.
Regarding some sales (via NameBio)
MyBlog.com - $400,000
MyPremierCard.com - $135,000
MyMedicalRecords.com - $10,000
MyMag.com - $48888
MyCrib.com - $33583
MyHomeLoan.com - $48888
MyBadCredit.com - $19900
MyEnergy.com - $25000
MyWidgets.com - $10200
MySight.com - $3800
MyBoulevard.com - $5000 (I think it is Justin's sale)
MyCraft.com - $4900
MyNewz.com - $500
MyBookingAid.com - $1000
MyCollegeDebt.com - $1000
MyFreeFileHosting.com - $11000
MySexCams.com - $19662
MyRights.com - $3300
MyMakeUp.com - $2688
MyTemperature.com - $1450
MyChildhood.com - $2000
MyFreeCheck.com - $8,875
MyTemplate.com - $3,700
MyNationality.com - $500
MyAniques.com - $2,500
MyExpertise.com - $1,500
And many many more sales.
I am the proud owner of MyMenstruation, MyEarphone, MyVegetable and MyBrowsers all in .com