Savings accounts in the uk - best options?

What ae the best options fo a savings account for about 250 per month? is it better to split the ammount into 2 savings accounts? is it best to just go for isa?i now there are a few posts on this but i was hoping for new developments on the issue.thak youoffshore sould interesting but would not it be troublesome for a small amout of money? with paying taxes for wiring the money?
Answer
Capital one base beater account (online). you can open it with £1 and the interest rate stays above the base rate (currently 5.5%) other banks offer higher rates but when u read the small print, this is the best account by far.