Lol, that extra $10 a month isn't, according to Sprint, for "4G" its a premium handset charge. yeah... f*ck off Sprint. Way to stick it to us. When my contract is up... Verizon here I come!
since I used to be a Verizon customer... and since I left them FOR Sprint.. let me explain a little of how they differ and why you'll pay more with VZW.
Sprint, Everything Data plan. You get EVERYTHING..any mobile, anytime, text, web, email, navigation, sprint tv.. nfl, nascar..etc.. then you get that pesky $10 a month added for the Evo.. now if like me, you have more than 1 line, that everything is for ALL lines on the plan.
Verizon, you get a plan..that plan ONLY includes minutes. then you get to add texting to the plan.. that was $10 a month for unlimited (I have 2 teenagers) add unlimited data (teenagers like youtube a LOT).. add navigation that's another $10 a month..add music and video that's another 10 per month.. oh... did I fail to mention those addon were per line... then you get to add $29.99 a month for smartphone data (it somehow is different than data for other phones)..
Verizon will charge you more for each little option per line where Sprint charges you a package deal that is by far cheaper than anyone else.. for me, I have 4 lines. 2 of those lines are true smartphones, the other 2 are full feature phones (Instincts).. with Vzw's current pricing, that's 29.99 x 2 and 9.99 x2 just for the data and you are REQUIRED to have it.. that's $80 a month in just data for me if I stayed with them.. all of that data is covered in my Everything data family plan.
of course for you, the best and in fact only way to make sure YOU get the best price is to go talk to the Vzw people.. tell them what you want.. how many lines and find out how much per month you'd be looking at..