For N gauge the Lenz silver mini (6 pin) is generally accepted to be one of the best - but I've never seen it at much less than £30 - have you by any chance
Hattons list the Silver Mini at £29.
The (continental) European price is €29.99, which is around £21.50 at todays conversion rate.
If ordering online, there's no difference in ordering from Hattons and ordering from say for example, a reputable German retailer.
Delivery times are usually similar, or a day or two longer at the most.
Free p&p above a minimum theshold.
Order by credit card and have the same level of protection.