res of main window is 800x600 which seems suitable.  i will make this locked asap.  I reckon we should go with buttons down the left hand side, must be square in shape.  This makes my job way easier.  I need:

Change Profile
Send
Recieve
Do both of the above
Compose
Address book
Any others you can thing of.

prefs all same size

each button 120x53  x5 along top
top buttons from 0,0 to 600,53

each button 180x80  x6 down left
side buttons from 0,53 to 180,480

main pane from 180,53 to 600,480
//sub divided to:
attatch button 20x20 from 180,53 to 200,73
subject button 280x20 from 200,53 to 480,73
sender button 150x20 from 480,53 to 630,73
? button 20x20 from 630,53 to 550,73
date button 150x20 from 650,53 to 800,73

columns
attatch column - non
subject column - existing from 200,73 280x220
sender column - from 480,73 50x220
? column - non
date column - from 550,73 50x220

view pane from 180,293 size 420x240