I use
Registered version of GSAK £8 (to put waypoints onto the gps and to create the html for the spv)
Google earth - free
Orange spv c500 smartphone - Free (£25 per month for contract 120 mins calls 100txt 6mb data)
eTrex Legend $129 (about £70) from Bass Pro in upstate NY
Premium membership of GC.com
Home computer "gift" from work
So excluding the monthly phone contract (which I would have anyway) under £100 for the year