Harvest Fields,
If you decide what you are wanting to do is slow the servos down, check out these:
Build it yourself:
http://www.laureanno.com/RCNEW/picaxe-slowdown.htm
http://www.rc-cam.com/ldtastic.htm

or here's one in your neck of the woods for £17.95:
http://smservices.net/acatalog/On_Board_Units.html
called "SM24 Servo Slow"
SM Services (UK) Ltd
18 Orchard Way,
Cranfield,
Bedfordshire,
MK43 0HU.
United Kingdom
Tel 01234 751095