yr Iaith Gymraeg to join a chorus calling for his resignation as the Assembly's presiding officer. Lord Elis-Thomas was also under fire from Welsh Labour's Alun Michael for his endorsement of Ieuan Wyn Jones as Plaid Cymru's president, however Elis-Thomas said he volunteered his preference as a matter of public interest and as a party member, not in his position as Assembly presiding officer. Dafydd Wigley resigned late 2000, citing health problems but amid rumours of a plot against him. Ieuan Wyn Jones was elected President of Plaid Cymru with 77% of the vote over Helen Mary Jones and Jill Evans a few months later. Jones reshuffled the party leadership with Jocelyn Davies as Business Manager; Elin Jones as Chief Whip and Agriculture & Rural Development Officer; Phil Williams as Economic Development; and Helen Mary Jones as Environment, Transport and Planning, plus Equal Opportunities. The party's move toward the political centre during this period may have been made easier by the formation of Welsh-language pressure group Cymuned (Community) and the Cymru Annibynnol (The Independent Wales party), which provided another home for "radicals". Plaid Cymru and the Scottish National Party, having cooperated since the 1980s, formalised their relationship by establishing the Celtic Alliance voting block in 2001. The Celtic Alliance created the third largest oppositional voting block in the UK parliament. Llandudno Party Conference At the Llandudno Plaid Cymru party conference of 2002, Jones called for greater Assembly authority "[on parity] with Scotland's parliament", and "opposed any military conflict in Iraq, saying it would destabilise the Middle East". Jones also criticised health and public services policies and would end the "endless revamping of structures and administration". Language and Housing Controversy see also Commuter town, gentrification Controversy erupted in mid-winter 2001 when Seimon Glyn, Gwynedd County Council's housing committee chairman and Plaid Cymru member, voiced frustration over "English immigrants" moving into traditionally Welsh-speaking communities. Glyn was commenting on a report underscoring the dilemma of rocketing house prices outstripping what locals could pay, with the report warning that "...traditional Welsh communities could die out..." as a consequence. Much of the rural Welsh real-estate market was driven by a cycle of growing dormitory towns, which was exacerbated by second home buyers and growing retirement communities. Many buyers were drawn to Wales from England because of relatively inexpensive house prices in Wales as compared to house prices in England. The rise in home prices outpaced