Canon Powershot Sx20 Is Best Buy

Whether you are best fashion photography cameras?
I am thinking of buying a Canon PowerShot SX20 IS or Nikon D90? What best for fashion photography cameras? How alternative? Thank you and the cost of equipment!
You can forget about using one of P & S camera work for any serious way. I use a Nikon D300 and D3 of my way to work. I have colleagues who use the Nikon D70 and D90 when shooting fashion. Canon users in my group members to use the Canon 40D, 50D and 5D (some are looking for a replacement for your 7D 50D 40D and cameras) The reason relates to: 1) the size of sensors, 2) reduce DSLR shutter lag (in milliseconds) 3) quality, even when shooting with high ISO and 4) 24-70 mm f/2.8 excellent 70-200 f/2.8, 50mm f/1.4 (for use with sensors of small size) and 85 mm f/1.4 lens
Canon PowerShot SX20IS 12.1MP Digital Camera