im thinking of getting this contract anyone think its any good ?

Nokia N900 FREE (Contract) £34.26 per month 18 month
Combi 30 + Web'n'Walk 700 Minutes + Unlimited Texts
+ Unlimited mobile web
+ 2.5% VAT Off Line Rental
3 Months Mobile Insurance free



i was going for this one but its only £57 less

Nokia N900 £29.99 (Contract) £29.36 per month 18 month
Combi 25 + Web'n'Walk 300 Minutes + 300 Texts
+ Unlimited mobile web
+ 2.5% VAT Off Line Rental
3 Months Mobile Insurance free

i usely use 150 mins max 230 texes but worryed with n900 going to use loads more because of better phone, using a sony v600i at the moment