I've got to say I think V-Planner is great and have the full version of it on the PC for cutting tables etc.
However, I have to agree with the comment above, £26 is a fair whack to splash out when you already have a licence and the free version of ideco on your iphone (which is a different algorithm I know, but still good for last minute dive planning when a PC is not available).
Pity, would have liked the continuity.
If at first you don't succeed then definitely do not take up parachuting!
Eastbourne BSAC (Sovereign Divers) 0513