[VirginMediaPhil]

If Virgin Media enabled an 'HD swap' like Sky do, I reckon they could clean up/organise their line up something like this:

Spoiler: 

101 BBC One HD
102 BBC Two HD
103 ITV HD
104 Channel 4 HD
105 Channel 5 HD
106 BBC Three
107 BBC Four
108 Sky Living HD
109 Sky Living +1
110 Sky Livingit
111 Sky Livingit HD placeholder (just in case)
112 Sky Livingit +1
113 ITV2 HD
114 ITV2+1
115 ITV3 HD
116 ITV3 +1
117 ITV4 HD
118 ITV4 +1
119 Sky1 HD
120 Sky2
121 Pick
122 Watch HD
123 Watch +1
124 Gold
125 Gold +1
126 Dave HD
127 Dave ja vu
128 Alibi HD
129 Alibi +1
130 Drama
131 Comedy Central HD
132 Comedy Central +1
133 Comedy Central Extra
134 MTV HD
135 Syfy HD
136 Syfy +1
137 Universal Channel
138 Universal Channel +1
139 Universal Channel HD placeholder (just in case)
140 Challenge
141 Challenge +1
142 More4 HD
143 More4 +1
144 E4 HD
145 E4 +1
147 4seven
148 CBS Reality
149 CBS Reality +1
150 CBS Action
151 CBS Drama
152 Horror Channel
153 Horror Channel +1
154 5⭑
155 5⭑ +1
156 5 USA
157 5 USA +1
158 E!
159 Local TV placeholder
160 Fox HD
161 Fox +
162 S4/C
163 TLC HD
164 TLC +1
165 DMAX
166 DMAX +1
167 Quest
168 Quest +1
169 BET
170 BBC Alba
171 True Entertainment
172 Sony TV
173 YouTube

201 BBC One +1 placeholder (for when it launches next year)
202 BBC Two +1 placeholder (just in case)
203 ITV +1
204 Channel 4 +1
205 Channel 5 +1

Virgin's current channel numbers have gotten so bad that I've actually gone and made a fantasy channel line-up :p

I really do hope they organise it sooner than later.