For a NAIPS link try Command software. They have a system which can download Arfor/Taf/Notams from a suitably equipped IR phone. The only proviso is you have to use your own ISP dialup and can't use the 019 number
($95 registration)
Find it here
Command Software
For a development tool for PNR's try
Hotpaw basic. This can be used to write your own routines. I have made one for PNR's which will give normal/DP/OEI after you input FOB/FF/TAS/Wind/Dist to Alt. Saves a lot of scribbling
MAx