I've just switched from Perlico to Vodafone (same company btw). I never had problems with Perlico, but my wife is ringing her sister a lot on a Vodafone mobile, so it will work out cheaper for us.
When there was a line fault at one stage, it was repaired promptly and with minimum fuss.
Their offer is €45 for 3MB broadband, local & national calls, 200 free minutes to 3 Vodafone mobile numbers and the wireless modem is free (it's draft N compliant too which is faster for home networking)