OK Guys,
Looked around in the UK and the cheapest Line 6 Variax Cabled Power Kit I could find was £99.
However Digital Village (DV247.com) do the A/B switch for £22.70,
Official Line 6 Power adapter 9v 2000mA on ebay.co.uk around £18,
TRS Cable £12.00,
XLR Cable £14.50.(optional if you want to go acoustic in PA)
Total: £67.20
Admit you have several packages to wait for but 1/3 off seems good to me.
Hope this helps others wanting to save battery use.
Regards