Plurals or singulars, my or your?

Please rad and help me solve this interesting problem!

[Macbeth]

I'm lanching a new site and would like to know the following:

is mywidgetsecrets.com
better than mywidgetsecret.com?

is mywidgetsecret(s).com
better than yourwidget(s).com?

Answers please!

[Macbeth]

sorry another final question

mywidgetsecrets.com

or widgetsecret.com

please somebody lend an opinion!

[Longhaired Genius]

I think: my is better than your, plural is better than singular.