Brand New performed their song acoustically on K-Rock (NY radio station), and it was amazing.  It was a lot easier to tab from the acoustic and it's basically the same as the original.  It's tuned Drop D (DADGBe)

Intro
e|-------------|---2p1-------|---2p1---1---|-----------------|
B|---7/6---6---|-------2h4-2-|-------2---2-|---7/6---6---7/9-|
G|-------6---6-|-------------|-------------|-------6---6-----|
D|-------------|-------------|-------------|-----------------|
A|-------------|-------------|-2-----------|-4---------------|
D|-4-----------|-1-----------|-------------|-----------------|

Lead (double time)
e|---------9-----------9---------|
B|-6-7-6-7---6-7-7-6-7---7-6-7-.-|
G|-------------------------------|
D|-------------------------------| play 2x
A|-----------------------------.-|
D|-------------------------------|

e|-------------14----------------14----------|
B|-11-12-11-12----11-12-12-11-12----12-11-12-|
G|-------------------------------------------|
D|-------------------------------------------|
A|-------------------------------------------|
D|-------------------------------------------|

e|---------9-----------9-------|
B|-6-7-6-7---6-7-7-6-7---7-6-7-|
G|-----------------------------|
D|-----------------------------|
A|-----------------------------|
D|-----------------------------|

Rhythm (lightly strummed under lead)
e|---------|---------|---------|---------|
B|---------|---------|---------|---------|
G|---------|---------|-4-------|-6-------|
D|-4-------|-1-------|-4-------|-6-------|
A|-4-------|-1-------|-2-------|-4-------|
D|-4-------|-1-------|---------|---------|
  [F#5]     [D#5]     [B5]      [C#5]

Verse
e|---------|---------|---------|---------|
B|---------|---------|---------|---------|
G|---------|---------|---------|---------|
D|---------|---------|-4-------|-6-------|
A|-4-------|-1-------|-2-------|-4-------|
D|-4-------|-1-------|---------|---------|
   pm.....   .......   .......   ....... (slightly)