Dezzer,
These are the ones I've delt with:
Very good Irish site for Lures and some rigs etc:
http://www.euro-tackle.com/ (Free shipping - and great value)
see also
http://mactackle.com/secureshopping/ (Free shipping on most orders - great value power pro braid)
UK sites
Terminal tackle, rods and reels:
http://veals.co.uk/
Lures, rods and reels:
http://www.harrisangling.co.uk/
For reels I use ebay US, ebay US and ebay US :D
Last reel I bought was from:
http://stores.ebay.com/Ozark-Sports
I'd recommend them to anyone.
If you're into making your own spinners (Mepps type ones):
http://stores.ebay.com/ibaro-ranch-tackle-shop
Oh, I almost forgot, I only ever bought 1 fishfinder, again it was on ebay US, do a search on ebay and you will soon find the ebay stores that sell what you're looking for.