Paul, I do not know of any that will interface with the UK spec alarm, it is very old now!
I have the HKS Type-1 as I thought the extra features would be nice but, tbh, I do not use them and it is just used as a timer.
It works well and does what is says on the tin. I plan to have it incorporated with the Clifford when it’s installed.
If you don’t want to drive all that way to Titan you can always get Dusty at MVP to ship it to your hotel, if you give him a bit of notice then he can guarantee which day it will be delivered.
The HKS Type-1 is ~£60 from Dusty http://www.mvpmotorsports.com/templates/frmTemplateH.asp?CatalogID=1720&SearchYN=N&subFolderID=203
The manual can be found here http://www.mkiv.com/techarticles/hks_tt_type_1/hks_timer.pdf
OR I would just go for the Type-0 at ~£47
http://www.mvpmotorsports.com/templates/frmTemplateH.asp?CatalogID=1719&SearchYN=N&subFolderID=203
And if you do not want the box on show then you can fit it here..