I have been using a Slingbox 500 for the past two years. Easy the best.

I had a Slingbox Pro HD before that and it was excellent too, however the 500 was in many ways a great improvement.

My only annoyance is that the mobile apps all cost money at $15 for phones and $30 for tablets. Fortunately they decided not to charge for the desktop app.

Anyways for $89, I think the 350 is a great deal too, but personally I prefer the 500.