There's Gmail, Gchat, Google Docs, Google Reader, Google Calendar, Google search...and now Google Voice. This latest Google concoction claims to give you more control over your phone calls by offering a variety of voicemail features. Although Voice is only available by invite, Google announced last Friday that they will be giving college students priority in invitations—if you have a .edu e-mail address, you can get an invitation within 24 hours of requesting one, according to the Google Voice blog.

So, should you download it? We've tested some of the features to help you decide if it's worth your time. Here's what we found.

SMS to E-mail

Description: This feature allows you to forward text messages from your phone to your Google Voice account and vice-versa.

The Verdict: We like that with this feature, you can easily act like you're taking notes on your computer when you're actually reading and sending texts. Also, if you don't have unlimited texting, you can save money by using Google Voice instead, as you can text directly from your Google account.

Custom Greetings

Description: This feature allows you to customize the greeting that each contact hears when he or she reaches your voicemail.

The Verdict: If you wish you could greet your mother with a sappy message but still greet your boss formally, this feature could be helpful. Although it isn't completely necessary, we think it's useful to have.

Block Callers

Description: This feature allows you to block certain numbers so that when those people call, they are told that the number they dialed has been disconnected or is no longer in service.

The Verdict: If you've used the "I dropped my phone in the toilet" excuse too many times, this feature is for you. Dishonest? Perhaps. Convenient? Yes.

Call Screening